@font-face{font-family:KaTeX_AMS;font-style:normal;font-weight:400;src:url(/rsrc.php/yM/r/svNUMJeX8_l.woff2) format("woff2"),url(/rsrc.php/yr/r/TbuBOY2RwLr.woff) format("woff"),url(/rsrc.php/yU/r/bovMqJE_M-3.ttf) format("truetype")}@font-face{font-family:KaTeX_Caligraphic;font-style:normal;font-weight:700;src:url(/rsrc.php/yj/r/7_4rWwlcRJG.woff2) format("woff2"),url(/rsrc.php/y1/r/5QOXFd4LUfQ.woff) format("woff"),url(/rsrc.php/y1/r/Fk7J-nMKTay.ttf) format("truetype")}@font-face{font-family:KaTeX_Caligraphic;font-style:normal;font-weight:400;src:url(/rsrc.php/yF/r/xxBrX38DTNc.woff2) format("woff2"),url(/rsrc.php/yY/r/S2XrJsNfpkP.woff) format("woff"),url(/rsrc.php/yW/r/SnytccB_J5H.ttf) format("truetype")}@font-face{font-family:KaTeX_Fraktur;font-style:normal;font-weight:700;src:url(/rsrc.php/yW/r/mXZKWE8dL8K.woff2) format("woff2"),url(/rsrc.php/yJ/r/py3MCKHdOyP.woff) format("woff"),url(/rsrc.php/yB/r/4GcaVNvhi1G.ttf) format("truetype")}@font-face{font-family:KaTeX_Fraktur;font-style:normal;font-weight:400;src:url(/rsrc.php/y7/r/4fkaVb4yifa.woff2) format("woff2"),url(/rsrc.php/y0/r/G880J7WQCVs.woff) format("woff"),url(/rsrc.php/yH/r/YDS69K0y6Bu.ttf) format("truetype")}@font-face{font-family:KaTeX_Main;font-style:normal;font-weight:700;src:url(/rsrc.php/yE/r/zsm0oZ2KXzg.woff2) format("woff2"),url(/rsrc.php/yk/r/bS77S0n8WOn.woff) format("woff"),url(/rsrc.php/y-/r/7tVX5JpSOy7.ttf) format("truetype")}@font-face{font-family:KaTeX_Main;font-style:italic;font-weight:700;src:url(/rsrc.php/yF/r/NG9h3QHelyj.woff2) format("woff2"),url(/rsrc.php/yU/r/9ncY7pH7R70.woff) format("woff"),url(/rsrc.php/yk/r/MFi5bYHmTeh.ttf) format("truetype")}@font-face{font-family:KaTeX_Main;font-style:italic;font-weight:400;src:url(/rsrc.php/yO/r/nua0cNw2ear.woff2) format("woff2"),url(/rsrc.php/yZ/r/RmC1cf0F8KJ.woff) format("woff"),url(/rsrc.php/yM/r/PlcrDRy8IaA.ttf) format("truetype")}@font-face{font-family:KaTeX_Main;font-style:normal;font-weight:400;src:url(/rsrc.php/yp/r/R_iwDTX0a6W.woff2) format("woff2"),url(/rsrc.php/yL/r/luRHPduAElq.woff) format("woff"),url(/rsrc.php/y9/r/EQ5dSEWdbgO.ttf) format("truetype")}@font-face{font-family:KaTeX_Math;font-style:italic;font-weight:700;src:url(/rsrc.php/yg/r/iYOhqlckoZO.woff2) format("woff2"),url(/rsrc.php/yM/r/KvAgblpDE4c.woff) format("woff"),url(/rsrc.php/yy/r/MnjVU5qBmnr.ttf) format("truetype")}@font-face{font-family:KaTeX_Math;font-style:italic;font-weight:400;src:url(/rsrc.php/yY/r/gJBh9KiQdOT.woff2) format("woff2"),url(/rsrc.php/yl/r/vwjIc9aby8v.woff) format("woff"),url(/rsrc.php/yF/r/fob6N6p1_Hf.ttf) format("truetype")}@font-face{font-family:KaTeX_SansSerif;font-style:normal;font-weight:700;src:url(/rsrc.php/yW/r/407o5VTYlDw.woff2) format("woff2"),url(/rsrc.php/y0/r/u8NW8vbCS6F.woff) format("woff"),url(/rsrc.php/yE/r/zjKMmQ0sH5s.ttf) format("truetype")}@font-face{font-family:KaTeX_SansSerif;font-style:italic;font-weight:400;src:url(/rsrc.php/y-/r/_MmKHZM7RJ_.woff2) format("woff2"),url(/rsrc.php/ys/r/yyr22DHHly2.woff) format("woff"),url(/rsrc.php/yJ/r/HbhNYx4rlLM.ttf) format("truetype")}@font-face{font-family:KaTeX_SansSerif;font-style:normal;font-weight:400;src:url(/rsrc.php/yp/r/zXC9hzSqFKt.woff2) format("woff2"),url(/rsrc.php/yg/r/SroIQs-W4Ta.woff) format("woff"),url(/rsrc.php/yC/r/YshgyZy0rps.ttf) format("truetype")}@font-face{font-family:KaTeX_Script;font-style:normal;font-weight:400;src:url(/rsrc.php/yb/r/Ef9MNpYRZ9k.woff2) format("woff2"),url(/rsrc.php/yO/r/o2kLYGFUzCy.woff) format("woff"),url(/rsrc.php/yE/r/RYTkBWAs3Nw.ttf) format("truetype")}@font-face{font-family:KaTeX_Size1;font-style:normal;font-weight:400;src:url(/rsrc.php/yv/r/DBZC-BE3a1-.woff2) format("woff2"),url(/rsrc.php/yt/r/Q6kZGXOJNYx.woff) format("woff"),url(/rsrc.php/yH/r/9trqwZGHNrm.ttf) format("truetype")}@font-face{font-family:KaTeX_Size2;font-style:normal;font-weight:400;src:url(/rsrc.php/yL/r/BNXHDFnuPo4.woff2) format("woff2"),url(/rsrc.php/yt/r/KbDfzgSti2b.woff) format("woff"),url(/rsrc.php/yx/r/9CNDodIa9-9.ttf) format("truetype")}@font-face{font-family:KaTeX_Size3;font-style:normal;font-weight:400;src:url(/rsrc.php/y5/r/kwvU99cu3vH.woff2) format("woff2"),url(/rsrc.php/ya/r/B6BYKqMZ0hN.woff) format("woff"),url(/rsrc.php/yY/r/6WCCM24khyF.ttf) format("truetype")}@font-face{font-family:KaTeX_Size4;font-style:normal;font-weight:400;src:url(/rsrc.php/yC/r/SpLZIDEP5VM.woff2) format("woff2"),url(/rsrc.php/yh/r/H1R1NYQ36WG.woff) format("woff"),url(/rsrc.php/ys/r/0iOj8t276lW.ttf) format("truetype")}@font-face{font-family:KaTeX_Typewriter;font-style:normal;font-weight:400;src:url(/rsrc.php/ym/r/oBFicM1ERdq.woff2) format("woff2"),url(/rsrc.php/y4/r/MSnzN2V2VIR.woff) format("woff"),url(/rsrc.php/yL/r/T5wwbPqeYAu.ttf) format("truetype")}#facebook ._3_3l .katex,._3_3l .katex{text-rendering:auto;font: 1.21em KaTeX_Main,Times New Roman,serif;line-height:1.2;text-indent:0}#facebook ._3_3l .katex *,._3_3l .katex *{border-color:currentColor}#facebook ._3_3l .katex .katex-version:after,._3_3l .katex .katex-version:after{content:"0.16.9"}#facebook ._3_3l .katex .katex-mathml,._3_3l .katex .katex-mathml{clip:rect(1px,1px,1px,1px);border:0;height:1px;overflow:hidden;padding:0;position:absolute;width:1px}#facebook ._3_3l .katex .katex-html>.newline,._3_3l .katex .katex-html>.newline{display:block}#facebook ._3_3l .katex .base,._3_3l .katex .base{position:relative;white-space:nowrap;width:-webkit-min-content;width:min-content}#facebook ._3_3l .katex .base,._3_3l .katex .base,#facebook ._3_3l .katex .strut,._3_3l .katex .strut{display:inline-block}#facebook ._3_3l .katex .textbf,._3_3l .katex .textbf{font-weight:700}#facebook ._3_3l .katex .textit,._3_3l .katex .textit{font-style:italic}#facebook ._3_3l .katex .textrm,._3_3l .katex .textrm{font-family:KaTeX_Main}#facebook ._3_3l .katex .textsf,._3_3l .katex .textsf{font-family:KaTeX_SansSerif}#facebook ._3_3l .katex .texttt,._3_3l .katex .texttt{font-family:KaTeX_Typewriter}#facebook ._3_3l .katex .mathnormal,._3_3l .katex .mathnormal{font-family:KaTeX_Math;font-style:italic}#facebook ._3_3l .katex .mathit,._3_3l .katex .mathit{font-family:KaTeX_Main;font-style:italic}#facebook ._3_3l .katex .mathrm,._3_3l .katex .mathrm{font-style:normal}#facebook ._3_3l .katex .mathbf,._3_3l .katex .mathbf{font-family:KaTeX_Main;font-weight:700}#facebook ._3_3l .katex .boldsymbol,._3_3l .katex .boldsymbol{font-family:KaTeX_Math;font-style:italic;font-weight:700}#facebook ._3_3l .katex .amsrm,._3_3l .katex .amsrm,#facebook ._3_3l .katex .mathbb,._3_3l .katex .mathbb,#facebook ._3_3l .katex .textbb,._3_3l .katex .textbb{font-family:KaTeX_AMS}#facebook ._3_3l .katex .mathcal,._3_3l .katex .mathcal{font-family:KaTeX_Caligraphic}#facebook ._3_3l .katex .mathfrak,._3_3l .katex .mathfrak,#facebook ._3_3l .katex .textfrak,._3_3l .katex .textfrak{font-family:KaTeX_Fraktur}#facebook ._3_3l .katex .mathboldfrak,._3_3l .katex .mathboldfrak,#facebook ._3_3l .katex .textboldfrak,._3_3l .katex .textboldfrak{font-family:KaTeX_Fraktur;font-weight:700}#facebook ._3_3l .katex .mathtt,._3_3l .katex .mathtt{font-family:KaTeX_Typewriter}#facebook ._3_3l .katex .mathscr,._3_3l .katex .mathscr,#facebook ._3_3l .katex .textscr,._3_3l .katex .textscr{font-family:KaTeX_Script}#facebook ._3_3l .katex .mathsf,._3_3l .katex .mathsf,#facebook ._3_3l .katex .textsf,._3_3l .katex .textsf{font-family:KaTeX_SansSerif}#facebook ._3_3l .katex .mathboldsf,._3_3l .katex .mathboldsf,#facebook ._3_3l .katex .textboldsf,._3_3l .katex .textboldsf{font-family:KaTeX_SansSerif;font-weight:700}#facebook ._3_3l .katex .mathitsf,._3_3l .katex .mathitsf,#facebook ._3_3l .katex .textitsf,._3_3l .katex .textitsf{font-family:KaTeX_SansSerif;font-style:italic}#facebook ._3_3l .katex .mainrm,._3_3l .katex .mainrm{font-family:KaTeX_Main;font-style:normal}#facebook ._3_3l .katex .vlist-t,._3_3l .katex .vlist-t{border-collapse:collapse;display:inline-table;table-layout:fixed}#facebook ._3_3l .katex .vlist-r,._3_3l .katex .vlist-r{display:table-row}#facebook ._3_3l .katex .vlist,._3_3l .katex .vlist{display:table-cell;position:relative;vertical-align:bottom}#facebook ._3_3l .katex .vlist>span,._3_3l .katex .vlist>span{display:block;height:0;position:relative}#facebook ._3_3l .katex .vlist>span>span,._3_3l .katex .vlist>span>span{display:inline-block}#facebook ._3_3l .katex .vlist>span>.pstrut,._3_3l .katex .vlist>span>.pstrut{overflow:hidden;width:0}#facebook ._3_3l .katex .vlist-t2,._3_3l .katex .vlist-t2{margin-right:-2px}#facebook ._3_3l .katex .vlist-s,._3_3l .katex .vlist-s{display:table-cell;font-size:1px;min-width:2px;vertical-align:bottom;width:2px}#facebook ._3_3l .katex .vbox,._3_3l .katex .vbox{align-items:baseline;display:inline-flex;flex-direction:column}#facebook ._3_3l .katex .hbox,._3_3l .katex .hbox{width:100%}#facebook ._3_3l .katex .hbox,._3_3l .katex .hbox,#facebook ._3_3l .katex .thinbox,._3_3l .katex .thinbox{display:inline-flex;flex-direction:row}#facebook ._3_3l .katex .thinbox,._3_3l .katex .thinbox{max-width:0;width:0}#facebook ._3_3l .katex .msupsub,._3_3l .katex .msupsub{text-align:left}#facebook ._3_3l .katex .mfrac>span>span,._3_3l .katex .mfrac>span>span{text-align:center}#facebook ._3_3l .katex .mfrac .frac-line,._3_3l .katex .mfrac .frac-line{border-bottom-style:solid;display:inline-block;width:100%}#facebook ._3_3l .katex .hdashline,._3_3l .katex .hdashline,#facebook ._3_3l .katex .hline,._3_3l .katex .hline,#facebook ._3_3l .katex .mfrac .frac-line,._3_3l .katex .mfrac .frac-line,#facebook ._3_3l .katex .overline .overline-line,._3_3l .katex .overline .overline-line,#facebook ._3_3l .katex .rule,._3_3l .katex .rule,#facebook ._3_3l .katex .underline .underline-line,._3_3l .katex .underline .underline-line{min-height:1px}#facebook ._3_3l .katex .mspace,._3_3l .katex .mspace{display:inline-block}#facebook ._3_3l .katex .clap,._3_3l .katex .clap,#facebook ._3_3l .katex .llap,._3_3l .katex .llap,#facebook ._3_3l .katex .rlap,._3_3l .katex .rlap{position:relative;width:0}#facebook ._3_3l .katex .clap>.inner,._3_3l .katex .clap>.inner,#facebook ._3_3l .katex .llap>.inner,._3_3l .katex .llap>.inner,#facebook ._3_3l .katex .rlap>.inner,._3_3l .katex .rlap>.inner{position:absolute}#facebook ._3_3l .katex .clap>.fix,._3_3l .katex .clap>.fix,#facebook ._3_3l .katex .llap>.fix,._3_3l .katex .llap>.fix,#facebook ._3_3l .katex .rlap>.fix,._3_3l .katex .rlap>.fix{display:inline-block}#facebook ._3_3l .katex .llap>.inner,._3_3l .katex .llap>.inner{right:0}#facebook ._3_3l .katex .clap>.inner,._3_3l .katex .clap>.inner,#facebook ._3_3l .katex .rlap>.inner,._3_3l .katex .rlap>.inner{left:0}#facebook ._3_3l .katex .clap>.inner>span,._3_3l .katex .clap>.inner>span{margin-left:-50%;margin-right:50%}#facebook ._3_3l .katex .rule,._3_3l .katex .rule{border:0 solid;display:inline-block;position:relative}#facebook ._3_3l .katex .hline,._3_3l .katex .hline,#facebook ._3_3l .katex .overline .overline-line,._3_3l .katex .overline .overline-line,#facebook ._3_3l .katex .underline .underline-line,._3_3l .katex .underline .underline-line{border-bottom-style:solid;display:inline-block;width:100%}#facebook ._3_3l .katex .hdashline,._3_3l .katex .hdashline{border-bottom-style:dashed;display:inline-block;width:100%}#facebook ._3_3l .katex .sqrt>.root,._3_3l .katex .sqrt>.root{margin-left:.27777778em;margin-right:-.55555556em}#facebook ._3_3l .katex .fontsize-ensurer.reset-size1.size1,._3_3l .katex .fontsize-ensurer.reset-size1.size1,#facebook ._3_3l .katex .sizing.reset-size1.size1,._3_3l .katex .sizing.reset-size1.size1{font-size:1em}#facebook ._3_3l .katex .fontsize-ensurer.reset-size1.size2,._3_3l .katex .fontsize-ensurer.reset-size1.size2,#facebook ._3_3l .katex .sizing.reset-size1.size2,._3_3l .katex .sizing.reset-size1.size2{font-size:1.2em}#facebook ._3_3l .katex .fontsize-ensurer.reset-size1.size3,._3_3l .katex .fontsize-ensurer.reset-size1.size3,#facebook ._3_3l .katex .sizing.reset-size1.size3,._3_3l .katex .sizing.reset-size1.size3{font-size:1.4em}#facebook ._3_3l .katex .fontsize-ensurer.reset-size1.size4,._3_3l .katex .fontsize-ensurer.reset-size1.size4,#facebook ._3_3l .katex .sizing.reset-size1.size4,._3_3l .katex .sizing.reset-size1.size4{font-size:1.6em}#facebook ._3_3l .katex .fontsize-ensurer.reset-size1.size5,._3_3l .katex .fontsize-ensurer.reset-size1.size5,#facebook ._3_3l .katex .sizing.reset-size1.size5,._3_3l .katex .sizing.reset-size1.size5{font-size:1.8em}#facebook ._3_3l .katex .fontsize-ensurer.reset-size1.size6,._3_3l .katex .fontsize-ensurer.reset-size1.size6,#facebook ._3_3l .katex .sizing.reset-size1.size6,._3_3l .katex .sizing.reset-size1.size6{font-size:2em}#facebook ._3_3l .katex .fontsize-ensurer.reset-size1.size7,._3_3l .katex .fontsize-ensurer.reset-size1.size7,#facebook ._3_3l .katex .sizing.reset-size1.size7,._3_3l .katex .sizing.reset-size1.size7{font-size:2.4em}#facebook ._3_3l .katex .fontsize-ensurer.reset-size1.size8,._3_3l .katex .fontsize-ensurer.reset-size1.size8,#facebook ._3_3l .katex .sizing.reset-size1.size8,._3_3l .katex .sizing.reset-size1.size8{font-size:2.88em}#facebook ._3_3l .katex .fontsize-ensurer.reset-size1.size9,._3_3l .katex .fontsize-ensurer.reset-size1.size9,#facebook ._3_3l .katex .sizing.reset-size1.size9,._3_3l .katex .sizing.reset-size1.size9{font-size:3.456em}#facebook ._3_3l .katex .fontsize-ensurer.reset-size1.size10,._3_3l .katex .fontsize-ensurer.reset-size1.size10,#facebook ._3_3l .katex .sizing.reset-size1.size10,._3_3l .katex .sizing.reset-size1.size10{font-size:4.148em}#facebook ._3_3l .katex .fontsize-ensurer.reset-size1.size11,._3_3l .katex .fontsize-ensurer.reset-size1.size11,#facebook ._3_3l .katex .sizing.reset-size1.size11,._3_3l .katex .sizing.reset-size1.size11{font-size:4.976em}#facebook ._3_3l .katex .fontsize-ensurer.reset-size2.size1,._3_3l .katex .fontsize-ensurer.reset-size2.size1,#facebook ._3_3l .katex .sizing.reset-size2.size1,._3_3l .katex .sizing.reset-size2.size1{font-size:.83333333em}#facebook ._3_3l .katex .fontsize-ensurer.reset-size2.size2,._3_3l .katex .fontsize-ensurer.reset-size2.size2,#facebook ._3_3l .katex .sizing.reset-size2.size2,._3_3l .katex .sizing.reset-size2.size2{font-size:1em}#facebook ._3_3l .katex .fontsize-ensurer.reset-size2.size3,._3_3l .katex .fontsize-ensurer.reset-size2.size3,#facebook ._3_3l .katex .sizing.reset-size2.size3,._3_3l .katex .sizing.reset-size2.size3{font-size:1.16666667em}#facebook ._3_3l .katex .fontsize-ensurer.reset-size2.size4,._3_3l .katex .fontsize-ensurer.reset-size2.size4,#facebook ._3_3l .katex .sizing.reset-size2.size4,._3_3l .katex .sizing.reset-size2.size4{font-size:1.33333333em}#facebook ._3_3l .katex .fontsize-ensurer.reset-size2.size5,._3_3l .katex .fontsize-ensurer.reset-size2.size5,#facebook ._3_3l .katex .sizing.reset-size2.size5,._3_3l .katex .sizing.reset-size2.size5{font-size:1.5em}#facebook ._3_3l .katex .fontsize-ensurer.reset-size2.size6,._3_3l .katex .fontsize-ensurer.reset-size2.size6,#facebook ._3_3l .katex .sizing.reset-size2.size6,._3_3l .katex .sizing.reset-size2.size6{font-size:1.66666667em}#facebook ._3_3l .katex .fontsize-ensurer.reset-size2.size7,._3_3l .katex .fontsize-ensurer.reset-size2.size7,#facebook ._3_3l .katex .sizing.reset-size2.size7,._3_3l .katex .sizing.reset-size2.size7{font-size:2em}#facebook ._3_3l .katex .fontsize-ensurer.reset-size2.size8,._3_3l .katex .fontsize-ensurer.reset-size2.size8,#facebook ._3_3l .katex .sizing.reset-size2.size8,._3_3l .katex .sizing.reset-size2.size8{font-size:2.4em}#facebook ._3_3l .katex .fontsize-ensurer.reset-size2.size9,._3_3l .katex .fontsize-ensurer.reset-size2.size9,#facebook ._3_3l .katex .sizing.reset-size2.size9,._3_3l .katex .sizing.reset-size2.size9{font-size:2.88em}#facebook ._3_3l .katex .fontsize-ensurer.reset-size2.size10,._3_3l .katex .fontsize-ensurer.reset-size2.size10,#facebook ._3_3l .katex .sizing.reset-size2.size10,._3_3l .katex .sizing.reset-size2.size10{font-size:3.45666667em}#facebook ._3_3l .katex .fontsize-ensurer.reset-size2.size11,._3_3l .katex .fontsize-ensurer.reset-size2.size11,#facebook ._3_3l .katex .sizing.reset-size2.size11,._3_3l .katex .sizing.reset-size2.size11{font-size:4.14666667em}#facebook ._3_3l .katex .fontsize-ensurer.reset-size3.size1,._3_3l .katex .fontsize-ensurer.reset-size3.size1,#facebook ._3_3l .katex .sizing.reset-size3.size1,._3_3l .katex .sizing.reset-size3.size1{font-size:.71428571em}#facebook ._3_3l .katex .fontsize-ensurer.reset-size3.size2,._3_3l .katex .fontsize-ensurer.reset-size3.size2,#facebook ._3_3l .katex .sizing.reset-size3.size2,._3_3l .katex .sizing.reset-size3.size2{font-size:.85714286em}#facebook ._3_3l .katex .fontsize-ensurer.reset-size3.size3,._3_3l .katex .fontsize-ensurer.reset-size3.size3,#facebook ._3_3l .katex .sizing.reset-size3.size3,._3_3l .katex .sizing.reset-size3.size3{font-size:1em}#facebook ._3_3l .katex .fontsize-ensurer.reset-size3.size4,._3_3l .katex .fontsize-ensurer.reset-size3.size4,#facebook ._3_3l .katex .sizing.reset-size3.size4,._3_3l .katex .sizing.reset-size3.size4{font-size:1.14285714em}#facebook ._3_3l .katex .fontsize-ensurer.reset-size3.size5,._3_3l .katex .fontsize-ensurer.reset-size3.size5,#facebook ._3_3l .katex .sizing.reset-size3.size5,._3_3l .katex .sizing.reset-size3.size5{font-size:1.28571429em}#facebook ._3_3l .katex .fontsize-ensurer.reset-size3.size6,._3_3l .katex .fontsize-ensurer.reset-size3.size6,#facebook ._3_3l .katex .sizing.reset-size3.size6,._3_3l .katex .sizing.reset-size3.size6{font-size:1.42857143em}#facebook ._3_3l .katex .fontsize-ensurer.reset-size3.size7,._3_3l .katex .fontsize-ensurer.reset-size3.size7,#facebook ._3_3l .katex .sizing.reset-size3.size7,._3_3l .katex .sizing.reset-size3.size7{font-size:1.71428571em}#facebook ._3_3l .katex .fontsize-ensurer.reset-size3.size8,._3_3l .katex .fontsize-ensurer.reset-size3.size8,#facebook ._3_3l .katex .sizing.reset-size3.size8,._3_3l .katex .sizing.reset-size3.size8{font-size:2.05714286em}#facebook ._3_3l .katex .fontsize-ensurer.reset-size3.size9,._3_3l .katex .fontsize-ensurer.reset-size3.size9,#facebook ._3_3l .katex .sizing.reset-size3.size9,._3_3l .katex .sizing.reset-size3.size9{font-size:2.46857143em}#facebook ._3_3l .katex .fontsize-ensurer.reset-size3.size10,._3_3l .katex .fontsize-ensurer.reset-size3.size10,#facebook ._3_3l .katex .sizing.reset-size3.size10,._3_3l .katex .sizing.reset-size3.size10{font-size:2.96285714em}#facebook ._3_3l .katex .fontsize-ensurer.reset-size3.size11,._3_3l .katex .fontsize-ensurer.reset-size3.size11,#facebook ._3_3l .katex .sizing.reset-size3.size11,._3_3l .katex .sizing.reset-size3.size11{font-size:3.55428571em}#facebook ._3_3l .katex .fontsize-ensurer.reset-size4.size1,._3_3l .katex .fontsize-ensurer.reset-size4.size1,#facebook ._3_3l .katex .sizing.reset-size4.size1,._3_3l .katex .sizing.reset-size4.size1{font-size:.625em}#facebook ._3_3l .katex .fontsize-ensurer.reset-size4.size2,._3_3l .katex .fontsize-ensurer.reset-size4.size2,#facebook ._3_3l .katex .sizing.reset-size4.size2,._3_3l .katex .sizing.reset-size4.size2{font-size:.75em}#facebook ._3_3l .katex .fontsize-ensurer.reset-size4.size3,._3_3l .katex .fontsize-ensurer.reset-size4.size3,#facebook ._3_3l .katex .sizing.reset-size4.size3,._3_3l .katex .sizing.reset-size4.size3{font-size:.875em}#facebook ._3_3l .katex .fontsize-ensurer.reset-size4.size4,._3_3l .katex .fontsize-ensurer.reset-size4.size4,#facebook ._3_3l .katex .sizing.reset-size4.size4,._3_3l .katex .sizing.reset-size4.size4{font-size:1em}#facebook ._3_3l .katex .fontsize-ensurer.reset-size4.size5,._3_3l .katex .fontsize-ensurer.reset-size4.size5,#facebook ._3_3l .katex .sizing.reset-size4.size5,._3_3l .katex .sizing.reset-size4.size5{font-size:1.125em}#facebook ._3_3l .katex .fontsize-ensurer.reset-size4.size6,._3_3l .katex .fontsize-ensurer.reset-size4.size6,#facebook ._3_3l .katex .sizing.reset-size4.size6,._3_3l .katex .sizing.reset-size4.size6{font-size:1.25em}#facebook ._3_3l .katex .fontsize-ensurer.reset-size4.size7,._3_3l .katex .fontsize-ensurer.reset-size4.size7,#facebook ._3_3l .katex .sizing.reset-size4.size7,._3_3l .katex .sizing.reset-size4.size7{font-size:1.5em}#facebook ._3_3l .katex .fontsize-ensurer.reset-size4.size8,._3_3l .katex .fontsize-ensurer.reset-size4.size8,#facebook ._3_3l .katex .sizing.reset-size4.size8,._3_3l .katex .sizing.reset-size4.size8{font-size:1.8em}#facebook ._3_3l .katex .fontsize-ensurer.reset-size4.size9,._3_3l .katex .fontsize-ensurer.reset-size4.size9,#facebook ._3_3l .katex .sizing.reset-size4.size9,._3_3l .katex .sizing.reset-size4.size9{font-size:2.16em}#facebook ._3_3l .katex .fontsize-ensurer.reset-size4.size10,._3_3l .katex .fontsize-ensurer.reset-size4.size10,#facebook ._3_3l .katex .sizing.reset-size4.size10,._3_3l .katex .sizing.reset-size4.size10{font-size:2.5925em}#facebook ._3_3l .katex .fontsize-ensurer.reset-size4.size11,._3_3l .katex .fontsize-ensurer.reset-size4.size11,#facebook ._3_3l .katex .sizing.reset-size4.size11,._3_3l .katex .sizing.reset-size4.size11{font-size:3.11em}#facebook ._3_3l .katex .fontsize-ensurer.reset-size5.size1,._3_3l .katex .fontsize-ensurer.reset-size5.size1,#facebook ._3_3l .katex .sizing.reset-size5.size1,._3_3l .katex .sizing.reset-size5.size1{font-size:.55555556em}#facebook ._3_3l .katex .fontsize-ensurer.reset-size5.size2,._3_3l .katex .fontsize-ensurer.reset-size5.size2,#facebook ._3_3l .katex .sizing.reset-size5.size2,._3_3l .katex .sizing.reset-size5.size2{font-size:.66666667em}#facebook ._3_3l .katex .fontsize-ensurer.reset-size5.size3,._3_3l .katex .fontsize-ensurer.reset-size5.size3,#facebook ._3_3l .katex .sizing.reset-size5.size3,._3_3l .katex .sizing.reset-size5.size3{font-size:.77777778em}#facebook ._3_3l .katex .fontsize-ensurer.reset-size5.size4,._3_3l .katex .fontsize-ensurer.reset-size5.size4,#facebook ._3_3l .katex .sizing.reset-size5.size4,._3_3l .katex .sizing.reset-size5.size4{font-size:.88888889em}#facebook ._3_3l .katex .fontsize-ensurer.reset-size5.size5,._3_3l .katex .fontsize-ensurer.reset-size5.size5,#facebook ._3_3l .katex .sizing.reset-size5.size5,._3_3l .katex .sizing.reset-size5.size5{font-size:1em}#facebook ._3_3l .katex .fontsize-ensurer.reset-size5.size6,._3_3l .katex .fontsize-ensurer.reset-size5.size6,#facebook ._3_3l .katex .sizing.reset-size5.size6,._3_3l .katex .sizing.reset-size5.size6{font-size:1.11111111em}#facebook ._3_3l .katex .fontsize-ensurer.reset-size5.size7,._3_3l .katex .fontsize-ensurer.reset-size5.size7,#facebook ._3_3l .katex .sizing.reset-size5.size7,._3_3l .katex .sizing.reset-size5.size7{font-size:1.33333333em}#facebook ._3_3l .katex .fontsize-ensurer.reset-size5.size8,._3_3l .katex .fontsize-ensurer.reset-size5.size8,#facebook ._3_3l .katex .sizing.reset-size5.size8,._3_3l .katex .sizing.reset-size5.size8{font-size:1.6em}#facebook ._3_3l .katex .fontsize-ensurer.reset-size5.size9,._3_3l .katex .fontsize-ensurer.reset-size5.size9,#facebook ._3_3l .katex .sizing.reset-size5.size9,._3_3l .katex .sizing.reset-size5.size9{font-size:1.92em}#facebook ._3_3l .katex .fontsize-ensurer.reset-size5.size10,._3_3l .katex .fontsize-ensurer.reset-size5.size10,#facebook ._3_3l .katex .sizing.reset-size5.size10,._3_3l .katex .sizing.reset-size5.size10{font-size:2.30444444em}#facebook ._3_3l .katex .fontsize-ensurer.reset-size5.size11,._3_3l .katex .fontsize-ensurer.reset-size5.size11,#facebook ._3_3l .katex .sizing.reset-size5.size11,._3_3l .katex .sizing.reset-size5.size11{font-size:2.76444444em}#facebook ._3_3l .katex .fontsize-ensurer.reset-size6.size1,._3_3l .katex .fontsize-ensurer.reset-size6.size1,#facebook ._3_3l .katex .sizing.reset-size6.size1,._3_3l .katex .sizing.reset-size6.size1{font-size:.5em}#facebook ._3_3l .katex .fontsize-ensurer.reset-size6.size2,._3_3l .katex .fontsize-ensurer.reset-size6.size2,#facebook ._3_3l .katex .sizing.reset-size6.size2,._3_3l .katex .sizing.reset-size6.size2{font-size:.6em}#facebook ._3_3l .katex .fontsize-ensurer.reset-size6.size3,._3_3l .katex .fontsize-ensurer.reset-size6.size3,#facebook ._3_3l .katex .sizing.reset-size6.size3,._3_3l .katex .sizing.reset-size6.size3{font-size:.7em}#facebook ._3_3l .katex .fontsize-ensurer.reset-size6.size4,._3_3l .katex .fontsize-ensurer.reset-size6.size4,#facebook ._3_3l .katex .sizing.reset-size6.size4,._3_3l .katex .sizing.reset-size6.size4{font-size:.8em}#facebook ._3_3l .katex .fontsize-ensurer.reset-size6.size5,._3_3l .katex .fontsize-ensurer.reset-size6.size5,#facebook ._3_3l .katex .sizing.reset-size6.size5,._3_3l .katex .sizing.reset-size6.size5{font-size:.9em}#facebook ._3_3l .katex .fontsize-ensurer.reset-size6.size6,._3_3l .katex .fontsize-ensurer.reset-size6.size6,#facebook ._3_3l .katex .sizing.reset-size6.size6,._3_3l .katex .sizing.reset-size6.size6{font-size:1em}#facebook ._3_3l .katex .fontsize-ensurer.reset-size6.size7,._3_3l .katex .fontsize-ensurer.reset-size6.size7,#facebook ._3_3l .katex .sizing.reset-size6.size7,._3_3l .katex .sizing.reset-size6.size7{font-size:1.2em}#facebook ._3_3l .katex .fontsize-ensurer.reset-size6.size8,._3_3l .katex .fontsize-ensurer.reset-size6.size8,#facebook ._3_3l .katex .sizing.reset-size6.size8,._3_3l .katex .sizing.reset-size6.size8{font-size:1.44em}#facebook ._3_3l .katex .fontsize-ensurer.reset-size6.size9,._3_3l .katex .fontsize-ensurer.reset-size6.size9,#facebook ._3_3l .katex .sizing.reset-size6.size9,._3_3l .katex .sizing.reset-size6.size9{font-size:1.728em}#facebook ._3_3l .katex .fontsize-ensurer.reset-size6.size10,._3_3l .katex .fontsize-ensurer.reset-size6.size10,#facebook ._3_3l .katex .sizing.reset-size6.size10,._3_3l .katex .sizing.reset-size6.size10{font-size:2.074em}#facebook ._3_3l .katex .fontsize-ensurer.reset-size6.size11,._3_3l .katex .fontsize-ensurer.reset-size6.size11,#facebook ._3_3l .katex .sizing.reset-size6.size11,._3_3l .katex .sizing.reset-size6.size11{font-size:2.488em}#facebook ._3_3l .katex .fontsize-ensurer.reset-size7.size1,._3_3l .katex .fontsize-ensurer.reset-size7.size1,#facebook ._3_3l .katex .sizing.reset-size7.size1,._3_3l .katex .sizing.reset-size7.size1{font-size:.41666667em}#facebook ._3_3l .katex .fontsize-ensurer.reset-size7.size2,._3_3l .katex .fontsize-ensurer.reset-size7.size2,#facebook ._3_3l .katex .sizing.reset-size7.size2,._3_3l .katex .sizing.reset-size7.size2{font-size:.5em}#facebook ._3_3l .katex .fontsize-ensurer.reset-size7.size3,._3_3l .katex .fontsize-ensurer.reset-size7.size3,#facebook ._3_3l .katex .sizing.reset-size7.size3,._3_3l .katex .sizing.reset-size7.size3{font-size:.58333333em}#facebook ._3_3l .katex .fontsize-ensurer.reset-size7.size4,._3_3l .katex .fontsize-ensurer.reset-size7.size4,#facebook ._3_3l .katex .sizing.reset-size7.size4,._3_3l .katex .sizing.reset-size7.size4{font-size:.66666667em}#facebook ._3_3l .katex .fontsize-ensurer.reset-size7.size5,._3_3l .katex .fontsize-ensurer.reset-size7.size5,#facebook ._3_3l .katex .sizing.reset-size7.size5,._3_3l .katex .sizing.reset-size7.size5{font-size:.75em}#facebook ._3_3l .katex .fontsize-ensurer.reset-size7.size6,._3_3l .katex .fontsize-ensurer.reset-size7.size6,#facebook ._3_3l .katex .sizing.reset-size7.size6,._3_3l .katex .sizing.reset-size7.size6{font-size:.83333333em}#facebook ._3_3l .katex .fontsize-ensurer.reset-size7.size7,._3_3l .katex .fontsize-ensurer.reset-size7.size7,#facebook ._3_3l .katex .sizing.reset-size7.size7,._3_3l .katex .sizing.reset-size7.size7{font-size:1em}#facebook ._3_3l .katex .fontsize-ensurer.reset-size7.size8,._3_3l .katex .fontsize-ensurer.reset-size7.size8,#facebook ._3_3l .katex .sizing.reset-size7.size8,._3_3l .katex .sizing.reset-size7.size8{font-size:1.2em}#facebook ._3_3l .katex .fontsize-ensurer.reset-size7.size9,._3_3l .katex .fontsize-ensurer.reset-size7.size9,#facebook ._3_3l .katex .sizing.reset-size7.size9,._3_3l .katex .sizing.reset-size7.size9{font-size:1.44em}#facebook ._3_3l .katex .fontsize-ensurer.reset-size7.size10,._3_3l .katex .fontsize-ensurer.reset-size7.size10,#facebook ._3_3l .katex .sizing.reset-size7.size10,._3_3l .katex .sizing.reset-size7.size10{font-size:1.72833333em}#facebook ._3_3l .katex .fontsize-ensurer.reset-size7.size11,._3_3l .katex .fontsize-ensurer.reset-size7.size11,#facebook ._3_3l .katex .sizing.reset-size7.size11,._3_3l .katex .sizing.reset-size7.size11{font-size:2.07333333em}#facebook ._3_3l .katex .fontsize-ensurer.reset-size8.size1,._3_3l .katex .fontsize-ensurer.reset-size8.size1,#facebook ._3_3l .katex .sizing.reset-size8.size1,._3_3l .katex .sizing.reset-size8.size1{font-size:.34722222em}#facebook ._3_3l .katex .fontsize-ensurer.reset-size8.size2,._3_3l .katex .fontsize-ensurer.reset-size8.size2,#facebook ._3_3l .katex .sizing.reset-size8.size2,._3_3l .katex .sizing.reset-size8.size2{font-size:.41666667em}#facebook ._3_3l .katex .fontsize-ensurer.reset-size8.size3,._3_3l .katex .fontsize-ensurer.reset-size8.size3,#facebook ._3_3l .katex .sizing.reset-size8.size3,._3_3l .katex .sizing.reset-size8.size3{font-size:.48611111em}#facebook ._3_3l .katex .fontsize-ensurer.reset-size8.size4,._3_3l .katex .fontsize-ensurer.reset-size8.size4,#facebook ._3_3l .katex .sizing.reset-size8.size4,._3_3l .katex .sizing.reset-size8.size4{font-size:.55555556em}#facebook ._3_3l .katex .fontsize-ensurer.reset-size8.size5,._3_3l .katex .fontsize-ensurer.reset-size8.size5,#facebook ._3_3l .katex .sizing.reset-size8.size5,._3_3l .katex .sizing.reset-size8.size5{font-size:.625em}#facebook ._3_3l .katex .fontsize-ensurer.reset-size8.size6,._3_3l .katex .fontsize-ensurer.reset-size8.size6,#facebook ._3_3l .katex .sizing.reset-size8.size6,._3_3l .katex .sizing.reset-size8.size6{font-size:.69444444em}#facebook ._3_3l .katex .fontsize-ensurer.reset-size8.size7,._3_3l .katex .fontsize-ensurer.reset-size8.size7,#facebook ._3_3l .katex .sizing.reset-size8.size7,._3_3l .katex .sizing.reset-size8.size7{font-size:.83333333em}#facebook ._3_3l .katex .fontsize-ensurer.reset-size8.size8,._3_3l .katex .fontsize-ensurer.reset-size8.size8,#facebook ._3_3l .katex .sizing.reset-size8.size8,._3_3l .katex .sizing.reset-size8.size8{font-size:1em}#facebook ._3_3l .katex .fontsize-ensurer.reset-size8.size9,._3_3l .katex .fontsize-ensurer.reset-size8.size9,#facebook ._3_3l .katex .sizing.reset-size8.size9,._3_3l .katex .sizing.reset-size8.size9{font-size:1.2em}#facebook ._3_3l .katex .fontsize-ensurer.reset-size8.size10,._3_3l .katex .fontsize-ensurer.reset-size8.size10,#facebook ._3_3l .katex .sizing.reset-size8.size10,._3_3l .katex .sizing.reset-size8.size10{font-size:1.44027778em}#facebook ._3_3l .katex .fontsize-ensurer.reset-size8.size11,._3_3l .katex .fontsize-ensurer.reset-size8.size11,#facebook ._3_3l .katex .sizing.reset-size8.size11,._3_3l .katex .sizing.reset-size8.size11{font-size:1.72777778em}#facebook ._3_3l .katex .fontsize-ensurer.reset-size9.size1,._3_3l .katex .fontsize-ensurer.reset-size9.size1,#facebook ._3_3l .katex .sizing.reset-size9.size1,._3_3l .katex .sizing.reset-size9.size1{font-size:.28935185em}#facebook ._3_3l .katex .fontsize-ensurer.reset-size9.size2,._3_3l .katex .fontsize-ensurer.reset-size9.size2,#facebook ._3_3l .katex .sizing.reset-size9.size2,._3_3l .katex .sizing.reset-size9.size2{font-size:.34722222em}#facebook ._3_3l .katex .fontsize-ensurer.reset-size9.size3,._3_3l .katex .fontsize-ensurer.reset-size9.size3,#facebook ._3_3l .katex .sizing.reset-size9.size3,._3_3l .katex .sizing.reset-size9.size3{font-size:.40509259em}#facebook ._3_3l .katex .fontsize-ensurer.reset-size9.size4,._3_3l .katex .fontsize-ensurer.reset-size9.size4,#facebook ._3_3l .katex .sizing.reset-size9.size4,._3_3l .katex .sizing.reset-size9.size4{font-size:.46296296em}#facebook ._3_3l .katex .fontsize-ensurer.reset-size9.size5,._3_3l .katex .fontsize-ensurer.reset-size9.size5,#facebook ._3_3l .katex .sizing.reset-size9.size5,._3_3l .katex .sizing.reset-size9.size5{font-size:.52083333em}#facebook ._3_3l .katex .fontsize-ensurer.reset-size9.size6,._3_3l .katex .fontsize-ensurer.reset-size9.size6,#facebook ._3_3l .katex .sizing.reset-size9.size6,._3_3l .katex .sizing.reset-size9.size6{font-size:.5787037em}#facebook ._3_3l .katex .fontsize-ensurer.reset-size9.size7,._3_3l .katex .fontsize-ensurer.reset-size9.size7,#facebook ._3_3l .katex .sizing.reset-size9.size7,._3_3l .katex .sizing.reset-size9.size7{font-size:.69444444em}#facebook ._3_3l .katex .fontsize-ensurer.reset-size9.size8,._3_3l .katex .fontsize-ensurer.reset-size9.size8,#facebook ._3_3l .katex .sizing.reset-size9.size8,._3_3l .katex .sizing.reset-size9.size8{font-size:.83333333em}#facebook ._3_3l .katex .fontsize-ensurer.reset-size9.size9,._3_3l .katex .fontsize-ensurer.reset-size9.size9,#facebook ._3_3l .katex .sizing.reset-size9.size9,._3_3l .katex .sizing.reset-size9.size9{font-size:1em}#facebook ._3_3l .katex .fontsize-ensurer.reset-size9.size10,._3_3l .katex .fontsize-ensurer.reset-size9.size10,#facebook ._3_3l .katex .sizing.reset-size9.size10,._3_3l .katex .sizing.reset-size9.size10{font-size:1.20023148em}#facebook ._3_3l .katex .fontsize-ensurer.reset-size9.size11,._3_3l .katex .fontsize-ensurer.reset-size9.size11,#facebook ._3_3l .katex .sizing.reset-size9.size11,._3_3l .katex .sizing.reset-size9.size11{font-size:1.43981481em}#facebook ._3_3l .katex .fontsize-ensurer.reset-size10.size1,._3_3l .katex .fontsize-ensurer.reset-size10.size1,#facebook ._3_3l .katex .sizing.reset-size10.size1,._3_3l .katex .sizing.reset-size10.size1{font-size:.24108004em}#facebook ._3_3l .katex .fontsize-ensurer.reset-size10.size2,._3_3l .katex .fontsize-ensurer.reset-size10.size2,#facebook ._3_3l .katex .sizing.reset-size10.size2,._3_3l .katex .sizing.reset-size10.size2{font-size:.28929605em}#facebook ._3_3l .katex .fontsize-ensurer.reset-size10.size3,._3_3l .katex .fontsize-ensurer.reset-size10.size3,#facebook ._3_3l .katex .sizing.reset-size10.size3,._3_3l .katex .sizing.reset-size10.size3{font-size:.33751205em}#facebook ._3_3l .katex .fontsize-ensurer.reset-size10.size4,._3_3l .katex .fontsize-ensurer.reset-size10.size4,#facebook ._3_3l .katex .sizing.reset-size10.size4,._3_3l .katex .sizing.reset-size10.size4{font-size:.38572806em}#facebook ._3_3l .katex .fontsize-ensurer.reset-size10.size5,._3_3l .katex .fontsize-ensurer.reset-size10.size5,#facebook ._3_3l .katex .sizing.reset-size10.size5,._3_3l .katex .sizing.reset-size10.size5{font-size:.43394407em}#facebook ._3_3l .katex .fontsize-ensurer.reset-size10.size6,._3_3l .katex .fontsize-ensurer.reset-size10.size6,#facebook ._3_3l .katex .sizing.reset-size10.size6,._3_3l .katex .sizing.reset-size10.size6{font-size:.48216008em}#facebook ._3_3l .katex .fontsize-ensurer.reset-size10.size7,._3_3l .katex .fontsize-ensurer.reset-size10.size7,#facebook ._3_3l .katex .sizing.reset-size10.size7,._3_3l .katex .sizing.reset-size10.size7{font-size:.57859209em}#facebook ._3_3l .katex .fontsize-ensurer.reset-size10.size8,._3_3l .katex .fontsize-ensurer.reset-size10.size8,#facebook ._3_3l .katex .sizing.reset-size10.size8,._3_3l .katex .sizing.reset-size10.size8{font-size:.69431051em}#facebook ._3_3l .katex .fontsize-ensurer.reset-size10.size9,._3_3l .katex .fontsize-ensurer.reset-size10.size9,#facebook ._3_3l .katex .sizing.reset-size10.size9,._3_3l .katex .sizing.reset-size10.size9{font-size:.83317261em}#facebook ._3_3l .katex .fontsize-ensurer.reset-size10.size10,._3_3l .katex .fontsize-ensurer.reset-size10.size10,#facebook ._3_3l .katex .sizing.reset-size10.size10,._3_3l .katex .sizing.reset-size10.size10{font-size:1em}#facebook ._3_3l .katex .fontsize-ensurer.reset-size10.size11,._3_3l .katex .fontsize-ensurer.reset-size10.size11,#facebook ._3_3l .katex .sizing.reset-size10.size11,._3_3l .katex .sizing.reset-size10.size11{font-size:1.19961427em}#facebook ._3_3l .katex .fontsize-ensurer.reset-size11.size1,._3_3l .katex .fontsize-ensurer.reset-size11.size1,#facebook ._3_3l .katex .sizing.reset-size11.size1,._3_3l .katex .sizing.reset-size11.size1{font-size:.20096463em}#facebook ._3_3l .katex .fontsize-ensurer.reset-size11.size2,._3_3l .katex .fontsize-ensurer.reset-size11.size2,#facebook ._3_3l .katex .sizing.reset-size11.size2,._3_3l .katex .sizing.reset-size11.size2{font-size:.24115756em}#facebook ._3_3l .katex .fontsize-ensurer.reset-size11.size3,._3_3l .katex .fontsize-ensurer.reset-size11.size3,#facebook ._3_3l .katex .sizing.reset-size11.size3,._3_3l .katex .sizing.reset-size11.size3{font-size:.28135048em}#facebook ._3_3l .katex .fontsize-ensurer.reset-size11.size4,._3_3l .katex .fontsize-ensurer.reset-size11.size4,#facebook ._3_3l .katex .sizing.reset-size11.size4,._3_3l .katex .sizing.reset-size11.size4{font-size:.32154341em}#facebook ._3_3l .katex .fontsize-ensurer.reset-size11.size5,._3_3l .katex .fontsize-ensurer.reset-size11.size5,#facebook ._3_3l .katex .sizing.reset-size11.size5,._3_3l .katex .sizing.reset-size11.size5{font-size:.36173633em}#facebook ._3_3l .katex .fontsize-ensurer.reset-size11.size6,._3_3l .katex .fontsize-ensurer.reset-size11.size6,#facebook ._3_3l .katex .sizing.reset-size11.size6,._3_3l .katex .sizing.reset-size11.size6{font-size:.40192926em}#facebook ._3_3l .katex .fontsize-ensurer.reset-size11.size7,._3_3l .katex .fontsize-ensurer.reset-size11.size7,#facebook ._3_3l .katex .sizing.reset-size11.size7,._3_3l .katex .sizing.reset-size11.size7{font-size:.48231511em}#facebook ._3_3l .katex .fontsize-ensurer.reset-size11.size8,._3_3l .katex .fontsize-ensurer.reset-size11.size8,#facebook ._3_3l .katex .sizing.reset-size11.size8,._3_3l .katex .sizing.reset-size11.size8{font-size:.57877814em}#facebook ._3_3l .katex .fontsize-ensurer.reset-size11.size9,._3_3l .katex .fontsize-ensurer.reset-size11.size9,#facebook ._3_3l .katex .sizing.reset-size11.size9,._3_3l .katex .sizing.reset-size11.size9{font-size:.69453376em}#facebook ._3_3l .katex .fontsize-ensurer.reset-size11.size10,._3_3l .katex .fontsize-ensurer.reset-size11.size10,#facebook ._3_3l .katex .sizing.reset-size11.size10,._3_3l .katex .sizing.reset-size11.size10{font-size:.83360129em}#facebook ._3_3l .katex .fontsize-ensurer.reset-size11.size11,._3_3l .katex .fontsize-ensurer.reset-size11.size11,#facebook ._3_3l .katex .sizing.reset-size11.size11,._3_3l .katex .sizing.reset-size11.size11{font-size:1em}#facebook ._3_3l .katex .delimsizing.size1,._3_3l .katex .delimsizing.size1{font-family:KaTeX_Size1}#facebook ._3_3l .katex .delimsizing.size2,._3_3l .katex .delimsizing.size2{font-family:KaTeX_Size2}#facebook ._3_3l .katex .delimsizing.size3,._3_3l .katex .delimsizing.size3{font-family:KaTeX_Size3}#facebook ._3_3l .katex .delimsizing.size4,._3_3l .katex .delimsizing.size4{font-family:KaTeX_Size4}#facebook ._3_3l .katex .delimsizing.mult .delim-size1>span,._3_3l .katex .delimsizing.mult .delim-size1>span{font-family:KaTeX_Size1}#facebook ._3_3l .katex .delimsizing.mult .delim-size4>span,._3_3l .katex .delimsizing.mult .delim-size4>span{font-family:KaTeX_Size4}#facebook ._3_3l .katex .nulldelimiter,._3_3l .katex .nulldelimiter{display:inline-block;width:.12em}#facebook ._3_3l .katex .delimcenter,._3_3l .katex .delimcenter,#facebook ._3_3l .katex .op-symbol,._3_3l .katex .op-symbol{position:relative}#facebook ._3_3l .katex .op-symbol.small-op,._3_3l .katex .op-symbol.small-op{font-family:KaTeX_Size1}#facebook ._3_3l .katex .op-symbol.large-op,._3_3l .katex .op-symbol.large-op{font-family:KaTeX_Size2}#facebook ._3_3l .katex .accent>.vlist-t,._3_3l .katex .accent>.vlist-t,#facebook ._3_3l .katex .op-limits>.vlist-t,._3_3l .katex .op-limits>.vlist-t{text-align:center}#facebook ._3_3l .katex .accent .accent-body,._3_3l .katex .accent .accent-body{position:relative}#facebook ._3_3l .katex .accent .accent-body:not(.accent-full),._3_3l .katex .accent .accent-body:not(.accent-full){width:0}#facebook ._3_3l .katex .overlay,._3_3l .katex .overlay{display:block}#facebook ._3_3l .katex .mtable .vertical-separator,._3_3l .katex .mtable .vertical-separator{display:inline-block;min-width:1px}#facebook ._3_3l .katex .mtable .arraycolsep,._3_3l .katex .mtable .arraycolsep{display:inline-block}#facebook ._3_3l .katex .mtable .col-align-c>.vlist-t,._3_3l .katex .mtable .col-align-c>.vlist-t{text-align:center}#facebook ._3_3l .katex .mtable .col-align-l>.vlist-t,._3_3l .katex .mtable .col-align-l>.vlist-t{text-align:left}#facebook ._3_3l .katex .mtable .col-align-r>.vlist-t,._3_3l .katex .mtable .col-align-r>.vlist-t{text-align:right}#facebook ._3_3l .katex .svg-align,._3_3l .katex .svg-align{text-align:left}#facebook ._3_3l .katex svg,._3_3l .katex svg{fill:currentColor;stroke:currentColor;fill-rule:nonzero;fill-opacity:1;stroke-width:1;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1;display:block;height:inherit;position:absolute;width:100%}#facebook ._3_3l .katex svg path,._3_3l .katex svg path{stroke:none}#facebook ._3_3l .katex img,._3_3l .katex img{border-style:none;max-height:none;max-width:none;min-height:0;min-width:0}#facebook ._3_3l .katex .stretchy,._3_3l .katex .stretchy{display:block;overflow:hidden;position:relative;width:100%}#facebook ._3_3l .katex .stretchy:after,._3_3l .katex .stretchy:after,#facebook ._3_3l .katex .stretchy:before,._3_3l .katex .stretchy:before{content:""}#facebook ._3_3l .katex .hide-tail,._3_3l .katex .hide-tail{overflow:hidden;position:relative;width:100%}#facebook ._3_3l .katex .halfarrow-left,._3_3l .katex .halfarrow-left{left:0;overflow:hidden;position:absolute;width:50.2%}#facebook ._3_3l .katex .halfarrow-right,._3_3l .katex .halfarrow-right{overflow:hidden;position:absolute;right:0;width:50.2%}#facebook ._3_3l .katex .brace-left,._3_3l .katex .brace-left{left:0;overflow:hidden;position:absolute;width:25.1%}#facebook ._3_3l .katex .brace-center,._3_3l .katex .brace-center{left:25%;overflow:hidden;position:absolute;width:50%}#facebook ._3_3l .katex .brace-right,._3_3l .katex .brace-right{overflow:hidden;position:absolute;right:0;width:25.1%}#facebook ._3_3l .katex .x-arrow-pad,._3_3l .katex .x-arrow-pad{padding:0 .5em}#facebook ._3_3l .katex .cd-arrow-pad,._3_3l .katex .cd-arrow-pad{padding:0 .55556em 0 .27778em}#facebook ._3_3l .katex .mover,._3_3l .katex .mover,#facebook ._3_3l .katex .munder,._3_3l .katex .munder,#facebook ._3_3l .katex .x-arrow,._3_3l .katex .x-arrow{text-align:center}#facebook ._3_3l .katex .boxpad,._3_3l .katex .boxpad{padding:0 .3em}#facebook ._3_3l .katex .fbox,._3_3l .katex .fbox,#facebook ._3_3l .katex .fcolorbox,._3_3l .katex .fcolorbox{border:.04em solid;box-sizing:border-box}#facebook ._3_3l .katex .cancel-pad,._3_3l .katex .cancel-pad{padding:0 .2em}#facebook ._3_3l .katex .cancel-lap,._3_3l .katex .cancel-lap{margin-left:-.2em;margin-right:-.2em}#facebook ._3_3l .katex .sout,._3_3l .katex .sout{border-bottom-style:solid;border-bottom-width:.08em}#facebook ._3_3l .katex .angl,._3_3l .katex .angl{border-right:.049em solid;border-top:.049em solid;box-sizing:border-box;margin-right:.03889em}#facebook ._3_3l .katex .anglpad,._3_3l .katex .anglpad{padding:0 .03889em}#facebook ._3_3l .katex .eqn-num:before,._3_3l .katex .eqn-num:before{content:"(" counter(katexEqnNo) ")";counter-increment:katexEqnNo}#facebook ._3_3l .katex .mml-eqn-num:before,._3_3l .katex .mml-eqn-num:before{content:"(" counter(mmlEqnNo) ")";counter-increment:mmlEqnNo}#facebook ._3_3l .katex .mtr-glue,._3_3l .katex .mtr-glue{width:50%}#facebook ._3_3l .katex .cd-vert-arrow,._3_3l .katex .cd-vert-arrow{display:inline-block;position:relative}#facebook ._3_3l .katex .cd-label-left,._3_3l .katex .cd-label-left{display:inline-block;position:absolute;right:calc(50% + .3em);text-align:left}#facebook ._3_3l .katex .cd-label-right,._3_3l .katex .cd-label-right{display:inline-block;left:calc(50% + .3em);position:absolute;text-align:right}#facebook ._3_3l .katex-display,._3_3l .katex-display{display:block;margin:1em 0;text-align:center}#facebook ._3_3l .katex-display>.katex,._3_3l .katex-display>.katex{display:block;text-align:center;white-space:nowrap}#facebook ._3_3l .katex-display>.katex>.katex-html,._3_3l .katex-display>.katex>.katex-html{display:block;position:relative}#facebook ._3_3l .katex-display>.katex>.katex-html>.tag,._3_3l .katex-display>.katex>.katex-html>.tag{position:absolute;right:0}#facebook ._3_3l .katex-display.leqno>.katex>.katex-html>.tag,._3_3l .katex-display.leqno>.katex>.katex-html>.tag{left:0;right:auto}#facebook ._3_3l .katex-display.fleqn>.katex,._3_3l .katex-display.fleqn>.katex{padding-left:2em;text-align:left}body{counter-reset:katexEqnNo mmlEqnNo}