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.mclose+.mop{margin-left:.16667em}#facebook ._3_3l .katex .mclose+.mbin,._3_3l .katex .mclose+.mbin{margin-left:.22222em}#facebook ._3_3l .katex .mclose+.mrel,._3_3l .katex .mclose+.mrel{margin-left:.27778em}#facebook ._3_3l .katex .mclose+.minner,._3_3l .katex .mclose+.minner{margin-left:.16667em}#facebook ._3_3l .katex .mpunct+.mord,._3_3l .katex .mpunct+.mord{margin-left:.16667em}#facebook ._3_3l .katex .mpunct+.mop,._3_3l .katex .mpunct+.mop{margin-left:.16667em}#facebook ._3_3l .katex .mpunct+.mrel,._3_3l .katex .mpunct+.mrel{margin-left:.16667em}#facebook ._3_3l .katex .mpunct+.mopen,._3_3l .katex .mpunct+.mopen{margin-left:.16667em}#facebook ._3_3l .katex .mpunct+.mclose,._3_3l .katex .mpunct+.mclose{margin-left:.16667em}#facebook ._3_3l .katex .mpunct+.mpunct,._3_3l .katex .mpunct+.mpunct{margin-left:.16667em}#facebook ._3_3l .katex .mpunct+.minner,._3_3l .katex .mpunct+.minner{margin-left:.16667em}#facebook ._3_3l .katex .minner+.mord,._3_3l .katex .minner+.mord{margin-left:.16667em}#facebook ._3_3l .katex .minner+.mop,._3_3l .katex .minner+.mop{margin-left:.16667em}#facebook ._3_3l .katex .minner+.mbin,._3_3l .katex .minner+.mbin{margin-left:.22222em}#facebook ._3_3l .katex .minner+.mrel,._3_3l .katex .minner+.mrel{margin-left:.27778em}#facebook ._3_3l .katex .minner+.mopen,._3_3l .katex .minner+.mopen{margin-left:.16667em}#facebook ._3_3l .katex .minner+.mpunct,._3_3l .katex .minner+.mpunct{margin-left:.16667em}#facebook ._3_3l .katex .minner+.minner,._3_3l .katex .minner+.minner{margin-left:.16667em}#facebook ._3_3l .katex .mord.mtight,._3_3l .katex .mord.mtight{margin-left:0}#facebook ._3_3l .katex .mop.mtight,._3_3l .katex .mop.mtight{margin-left:0}#facebook ._3_3l .katex .mbin.mtight,._3_3l .katex .mbin.mtight{margin-left:0}#facebook ._3_3l .katex .mrel.mtight,._3_3l .katex .mrel.mtight{margin-left:0}#facebook ._3_3l .katex .mopen.mtight,._3_3l .katex .mopen.mtight{margin-left:0}#facebook ._3_3l .katex .mclose.mtight,._3_3l .katex .mclose.mtight{margin-left:0}#facebook ._3_3l .katex .mpunct.mtight,._3_3l .katex .mpunct.mtight{margin-left:0}#facebook ._3_3l .katex .minner.mtight,._3_3l .katex .minner.mtight{margin-left:0}#facebook ._3_3l .katex .mord+.mop.mtight,._3_3l .katex .mord+.mop.mtight{margin-left:.16667em}#facebook ._3_3l .katex .mop+.mord.mtight,._3_3l .katex .mop+.mord.mtight{margin-left:.16667em}#facebook ._3_3l .katex .mop+.mop.mtight,._3_3l .katex .mop+.mop.mtight{margin-left:.16667em}#facebook ._3_3l .katex .mclose+.mop.mtight,._3_3l .katex .mclose+.mop.mtight{margin-left:.16667em}#facebook ._3_3l .katex .minner+.mop.mtight,._3_3l .katex .minner+.mop.mtight{margin-left:.16667em}#facebook ._3_3l .katex .vlist-t,._3_3l .katex .vlist-t{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;vertical-align:bottom;position:relative}#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;vertical-align:bottom;font-size:1px;width:2px}#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{display:inline-block;width:100%;border-bottom-style:solid}#facebook ._3_3l .katex .mspace,._3_3l .katex .mspace{display:inline-block}#facebook ._3_3l .katex .mspace.negativethinspace,._3_3l .katex .mspace.negativethinspace{margin-left:-0.16667em}#facebook ._3_3l .katex .mspace.thinspace,._3_3l .katex .mspace.thinspace{width:.16667em}#facebook ._3_3l .katex .mspace.negativemediumspace,._3_3l .katex .mspace.negativemediumspace{margin-left:-0.22222em}#facebook ._3_3l .katex .mspace.mediumspace,._3_3l .katex .mspace.mediumspace{width:.22222em}#facebook ._3_3l .katex .mspace.thickspace,._3_3l .katex .mspace.thickspace{width:.27778em}#facebook ._3_3l .katex .mspace.sixmuspace,._3_3l .katex .mspace.sixmuspace{width:.333333em}#facebook ._3_3l .katex .mspace.eightmuspace,._3_3l .katex .mspace.eightmuspace{width:.444444em}#facebook ._3_3l .katex .mspace.enspace,._3_3l .katex .mspace.enspace{width:.5em}#facebook ._3_3l .katex .mspace.twelvemuspace,._3_3l .katex .mspace.twelvemuspace{width:.666667em}#facebook ._3_3l .katex .mspace.quad,._3_3l .katex .mspace.quad{width:1em}#facebook ._3_3l .katex .mspace.qquad,._3_3l .katex .mspace.qquad{width:2em}#facebook ._3_3l .katex .llap,._3_3l .katex .llap,#facebook ._3_3l .katex .rlap,._3_3l .katex .rlap{width:0;position:relative}#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 .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 .rlap>.inner,._3_3l .katex .rlap>.inner{left:0}#facebook ._3_3l .katex .katex-logo .a,._3_3l .katex .katex-logo .a{font-size:.75em;margin-left:-0.32em;position:relative;top:-0.2em}#facebook ._3_3l .katex .katex-logo .t,._3_3l .katex .katex-logo .t{margin-left:-0.23em}#facebook ._3_3l .katex .katex-logo .e,._3_3l .katex .katex-logo .e{margin-left:-0.1667em;position:relative;top:.2155em}#facebook ._3_3l .katex .katex-logo .x,._3_3l .katex .katex-logo .x{margin-left:-0.125em}#facebook ._3_3l .katex .rule,._3_3l .katex .rule{display:inline-block;border:solid 0;position:relative}#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{display:inline-block;width:100%;border-bottom-style:solid}#facebook ._3_3l .katex .sqrt>.sqrt-sign,._3_3l .katex .sqrt>.sqrt-sign{position:relative}#facebook ._3_3l .katex .sqrt .sqrt-line,._3_3l .katex .sqrt .sqrt-line{display:inline-block;position:relative;width:100%;border-bottom-style:solid}#facebook ._3_3l .katex .sqrt>.root,._3_3l .katex .sqrt>.root{margin-left:.27777778em;margin-right:-0.55555556em}#facebook ._3_3l .katex .sizing,._3_3l .katex .sizing,#facebook ._3_3l .katex .fontsize-ensurer,._3_3l .katex .fontsize-ensurer{display:inline-block}#facebook ._3_3l .katex .sizing.reset-size1.size1,._3_3l .katex .sizing.reset-size1.size1,#facebook ._3_3l .katex .fontsize-ensurer.reset-size1.size1,._3_3l .katex .fontsize-ensurer.reset-size1.size1{font-size:1em}#facebook ._3_3l .katex .sizing.reset-size1.size2,._3_3l .katex .sizing.reset-size1.size2,#facebook ._3_3l .katex .fontsize-ensurer.reset-size1.size2,._3_3l .katex .fontsize-ensurer.reset-size1.size2{font-size:1.2em}#facebook ._3_3l .katex .sizing.reset-size1.size3,._3_3l .katex .sizing.reset-size1.size3,#facebook ._3_3l .katex .fontsize-ensurer.reset-size1.size3,._3_3l .katex .fontsize-ensurer.reset-size1.size3{font-size:1.4em}#facebook ._3_3l .katex .sizing.reset-size1.size4,._3_3l .katex .sizing.reset-size1.size4,#facebook ._3_3l .katex .fontsize-ensurer.reset-size1.size4,._3_3l .katex .fontsize-ensurer.reset-size1.size4{font-size:1.6em}#facebook ._3_3l .katex .sizing.reset-size1.size5,._3_3l .katex .sizing.reset-size1.size5,#facebook ._3_3l .katex .fontsize-ensurer.reset-size1.size5,._3_3l .katex .fontsize-ensurer.reset-size1.size5{font-size:1.8em}#facebook ._3_3l .katex .sizing.reset-size1.size6,._3_3l .katex .sizing.reset-size1.size6,#facebook ._3_3l .katex .fontsize-ensurer.reset-size1.size6,._3_3l .katex .fontsize-ensurer.reset-size1.size6{font-size:2em}#facebook ._3_3l .katex .sizing.reset-size1.size7,._3_3l .katex .sizing.reset-size1.size7,#facebook ._3_3l .katex .fontsize-ensurer.reset-size1.size7,._3_3l .katex .fontsize-ensurer.reset-size1.size7{font-size:2.4em}#facebook ._3_3l .katex .sizing.reset-size1.size8,._3_3l .katex .sizing.reset-size1.size8,#facebook ._3_3l .katex .fontsize-ensurer.reset-size1.size8,._3_3l .katex .fontsize-ensurer.reset-size1.size8{font-size:2.88em}#facebook ._3_3l .katex .sizing.reset-size1.size9,._3_3l .katex .sizing.reset-size1.size9,#facebook ._3_3l .katex .fontsize-ensurer.reset-size1.size9,._3_3l .katex .fontsize-ensurer.reset-size1.size9{font-size:3.456em}#facebook ._3_3l .katex .sizing.reset-size1.size10,._3_3l .katex .sizing.reset-size1.size10,#facebook ._3_3l .katex .fontsize-ensurer.reset-size1.size10,._3_3l .katex .fontsize-ensurer.reset-size1.size10{font-size:4.148em}#facebook ._3_3l .katex .sizing.reset-size1.size11,._3_3l .katex .sizing.reset-size1.size11,#facebook ._3_3l .katex .fontsize-ensurer.reset-size1.size11,._3_3l .katex .fontsize-ensurer.reset-size1.size11{font-size:4.976em}#facebook ._3_3l .katex .sizing.reset-size2.size1,._3_3l .katex .sizing.reset-size2.size1,#facebook ._3_3l .katex .fontsize-ensurer.reset-size2.size1,._3_3l .katex .fontsize-ensurer.reset-size2.size1{font-size:.83333333em}#facebook ._3_3l .katex .sizing.reset-size2.size2,._3_3l .katex .sizing.reset-size2.size2,#facebook ._3_3l .katex .fontsize-ensurer.reset-size2.size2,._3_3l .katex .fontsize-ensurer.reset-size2.size2{font-size:1em}#facebook ._3_3l .katex .sizing.reset-size2.size3,._3_3l .katex .sizing.reset-size2.size3,#facebook ._3_3l .katex .fontsize-ensurer.reset-size2.size3,._3_3l .katex .fontsize-ensurer.reset-size2.size3{font-size:1.16666667em}#facebook ._3_3l .katex .sizing.reset-size2.size4,._3_3l .katex .sizing.reset-size2.size4,#facebook ._3_3l .katex .fontsize-ensurer.reset-size2.size4,._3_3l .katex .fontsize-ensurer.reset-size2.size4{font-size:1.33333333em}#facebook ._3_3l .katex .sizing.reset-size2.size5,._3_3l .katex .sizing.reset-size2.size5,#facebook ._3_3l .katex .fontsize-ensurer.reset-size2.size5,._3_3l .katex .fontsize-ensurer.reset-size2.size5{font-size:1.5em}#facebook ._3_3l .katex .sizing.reset-size2.size6,._3_3l .katex .sizing.reset-size2.size6,#facebook ._3_3l .katex .fontsize-ensurer.reset-size2.size6,._3_3l .katex .fontsize-ensurer.reset-size2.size6{font-size:1.66666667em}#facebook ._3_3l .katex .sizing.reset-size2.size7,._3_3l .katex .sizing.reset-size2.size7,#facebook ._3_3l .katex .fontsize-ensurer.reset-size2.size7,._3_3l .katex .fontsize-ensurer.reset-size2.size7{font-size:2em}#facebook ._3_3l .katex .sizing.reset-size2.size8,._3_3l .katex .sizing.reset-size2.size8,#facebook ._3_3l .katex .fontsize-ensurer.reset-size2.size8,._3_3l .katex .fontsize-ensurer.reset-size2.size8{font-size:2.4em}#facebook ._3_3l .katex .sizing.reset-size2.size9,._3_3l .katex .sizing.reset-size2.size9,#facebook ._3_3l .katex .fontsize-ensurer.reset-size2.size9,._3_3l .katex .fontsize-ensurer.reset-size2.size9{font-size:2.88em}#facebook ._3_3l .katex .sizing.reset-size2.size10,._3_3l .katex .sizing.reset-size2.size10,#facebook ._3_3l .katex .fontsize-ensurer.reset-size2.size10,._3_3l .katex .fontsize-ensurer.reset-size2.size10{font-size:3.45666667em}#facebook ._3_3l .katex .sizing.reset-size2.size11,._3_3l .katex .sizing.reset-size2.size11,#facebook ._3_3l .katex .fontsize-ensurer.reset-size2.size11,._3_3l .katex .fontsize-ensurer.reset-size2.size11{font-size:4.14666667em}#facebook ._3_3l .katex .sizing.reset-size3.size1,._3_3l .katex .sizing.reset-size3.size1,#facebook ._3_3l .katex .fontsize-ensurer.reset-size3.size1,._3_3l .katex .fontsize-ensurer.reset-size3.size1{font-size:.71428571em}#facebook ._3_3l .katex .sizing.reset-size3.size2,._3_3l .katex .sizing.reset-size3.size2,#facebook ._3_3l .katex .fontsize-ensurer.reset-size3.size2,._3_3l .katex .fontsize-ensurer.reset-size3.size2{font-size:.85714286em}#facebook ._3_3l .katex .sizing.reset-size3.size3,._3_3l .katex .sizing.reset-size3.size3,#facebook ._3_3l .katex .fontsize-ensurer.reset-size3.size3,._3_3l .katex .fontsize-ensurer.reset-size3.size3{font-size:1em}#facebook ._3_3l .katex .sizing.reset-size3.size4,._3_3l .katex .sizing.reset-size3.size4,#facebook ._3_3l .katex .fontsize-ensurer.reset-size3.size4,._3_3l .katex .fontsize-ensurer.reset-size3.size4{font-size:1.14285714em}#facebook ._3_3l .katex .sizing.reset-size3.size5,._3_3l .katex .sizing.reset-size3.size5,#facebook ._3_3l .katex .fontsize-ensurer.reset-size3.size5,._3_3l .katex .fontsize-ensurer.reset-size3.size5{font-size:1.28571429em}#facebook ._3_3l .katex .sizing.reset-size3.size6,._3_3l .katex .sizing.reset-size3.size6,#facebook ._3_3l .katex .fontsize-ensurer.reset-size3.size6,._3_3l .katex .fontsize-ensurer.reset-size3.size6{font-size:1.42857143em}#facebook ._3_3l .katex .sizing.reset-size3.size7,._3_3l .katex .sizing.reset-size3.size7,#facebook ._3_3l .katex .fontsize-ensurer.reset-size3.size7,._3_3l .katex .fontsize-ensurer.reset-size3.size7{font-size:1.71428571em}#facebook ._3_3l .katex .sizing.reset-size3.size8,._3_3l .katex .sizing.reset-size3.size8,#facebook ._3_3l .katex .fontsize-ensurer.reset-size3.size8,._3_3l .katex .fontsize-ensurer.reset-size3.size8{font-size:2.05714286em}#facebook ._3_3l .katex .sizing.reset-size3.size9,._3_3l .katex .sizing.reset-size3.size9,#facebook ._3_3l .katex .fontsize-ensurer.reset-size3.size9,._3_3l .katex .fontsize-ensurer.reset-size3.size9{font-size:2.46857143em}#facebook ._3_3l .katex .sizing.reset-size3.size10,._3_3l .katex .sizing.reset-size3.size10,#facebook ._3_3l .katex .fontsize-ensurer.reset-size3.size10,._3_3l .katex .fontsize-ensurer.reset-size3.size10{font-size:2.96285714em}#facebook ._3_3l .katex .sizing.reset-size3.size11,._3_3l .katex .sizing.reset-size3.size11,#facebook ._3_3l .katex .fontsize-ensurer.reset-size3.size11,._3_3l .katex .fontsize-ensurer.reset-size3.size11{font-size:3.55428571em}#facebook ._3_3l .katex .sizing.reset-size4.size1,._3_3l .katex .sizing.reset-size4.size1,#facebook ._3_3l .katex .fontsize-ensurer.reset-size4.size1,._3_3l .katex .fontsize-ensurer.reset-size4.size1{font-size:.625em}#facebook ._3_3l .katex .sizing.reset-size4.size2,._3_3l .katex .sizing.reset-size4.size2,#facebook ._3_3l .katex .fontsize-ensurer.reset-size4.size2,._3_3l .katex .fontsize-ensurer.reset-size4.size2{font-size:.75em}#facebook ._3_3l .katex .sizing.reset-size4.size3,._3_3l .katex .sizing.reset-size4.size3,#facebook ._3_3l .katex .fontsize-ensurer.reset-size4.size3,._3_3l .katex .fontsize-ensurer.reset-size4.size3{font-size:.875em}#facebook ._3_3l .katex .sizing.reset-size4.size4,._3_3l .katex .sizing.reset-size4.size4,#facebook ._3_3l .katex .fontsize-ensurer.reset-size4.size4,._3_3l .katex .fontsize-ensurer.reset-size4.size4{font-size:1em}#facebook ._3_3l .katex .sizing.reset-size4.size5,._3_3l .katex .sizing.reset-size4.size5,#facebook ._3_3l .katex .fontsize-ensurer.reset-size4.size5,._3_3l .katex .fontsize-ensurer.reset-size4.size5{font-size:1.125em}#facebook ._3_3l .katex .sizing.reset-size4.size6,._3_3l .katex .sizing.reset-size4.size6,#facebook ._3_3l .katex .fontsize-ensurer.reset-size4.size6,._3_3l .katex .fontsize-ensurer.reset-size4.size6{font-size:1.25em}#facebook ._3_3l .katex .sizing.reset-size4.size7,._3_3l .katex .sizing.reset-size4.size7,#facebook ._3_3l .katex .fontsize-ensurer.reset-size4.size7,._3_3l .katex .fontsize-ensurer.reset-size4.size7{font-size:1.5em}#facebook ._3_3l .katex .sizing.reset-size4.size8,._3_3l .katex .sizing.reset-size4.size8,#facebook ._3_3l .katex .fontsize-ensurer.reset-size4.size8,._3_3l .katex .fontsize-ensurer.reset-size4.size8{font-size:1.8em}#facebook ._3_3l .katex .sizing.reset-size4.size9,._3_3l .katex .sizing.reset-size4.size9,#facebook ._3_3l .katex .fontsize-ensurer.reset-size4.size9,._3_3l .katex .fontsize-ensurer.reset-size4.size9{font-size:2.16em}#facebook ._3_3l .katex .sizing.reset-size4.size10,._3_3l .katex .sizing.reset-size4.size10,#facebook ._3_3l .katex .fontsize-ensurer.reset-size4.size10,._3_3l .katex .fontsize-ensurer.reset-size4.size10{font-size:2.5925em}#facebook ._3_3l .katex .sizing.reset-size4.size11,._3_3l .katex .sizing.reset-size4.size11,#facebook ._3_3l .katex .fontsize-ensurer.reset-size4.size11,._3_3l .katex .fontsize-ensurer.reset-size4.size11{font-size:3.11em}#facebook ._3_3l .katex .sizing.reset-size5.size1,._3_3l .katex .sizing.reset-size5.size1,#facebook ._3_3l .katex .fontsize-ensurer.reset-size5.size1,._3_3l .katex .fontsize-ensurer.reset-size5.size1{font-size:.55555556em}#facebook ._3_3l .katex .sizing.reset-size5.size2,._3_3l .katex .sizing.reset-size5.size2,#facebook ._3_3l .katex .fontsize-ensurer.reset-size5.size2,._3_3l .katex .fontsize-ensurer.reset-size5.size2{font-size:.66666667em}#facebook ._3_3l .katex .sizing.reset-size5.size3,._3_3l .katex .sizing.reset-size5.size3,#facebook ._3_3l .katex .fontsize-ensurer.reset-size5.size3,._3_3l .katex .fontsize-ensurer.reset-size5.size3{font-size:.77777778em}#facebook ._3_3l .katex .sizing.reset-size5.size4,._3_3l .katex .sizing.reset-size5.size4,#facebook ._3_3l .katex .fontsize-ensurer.reset-size5.size4,._3_3l .katex .fontsize-ensurer.reset-size5.size4{font-size:.88888889em}#facebook ._3_3l .katex .sizing.reset-size5.size5,._3_3l .katex .sizing.reset-size5.size5,#facebook ._3_3l .katex .fontsize-ensurer.reset-size5.size5,._3_3l .katex .fontsize-ensurer.reset-size5.size5{font-size:1em}#facebook ._3_3l .katex .sizing.reset-size5.size6,._3_3l .katex .sizing.reset-size5.size6,#facebook ._3_3l .katex .fontsize-ensurer.reset-size5.size6,._3_3l .katex .fontsize-ensurer.reset-size5.size6{font-size:1.11111111em}#facebook ._3_3l .katex .sizing.reset-size5.size7,._3_3l .katex .sizing.reset-size5.size7,#facebook ._3_3l .katex .fontsize-ensurer.reset-size5.size7,._3_3l .katex .fontsize-ensurer.reset-size5.size7{font-size:1.33333333em}#facebook ._3_3l .katex .sizing.reset-size5.size8,._3_3l .katex .sizing.reset-size5.size8,#facebook ._3_3l .katex .fontsize-ensurer.reset-size5.size8,._3_3l .katex .fontsize-ensurer.reset-size5.size8{font-size:1.6em}#facebook ._3_3l .katex .sizing.reset-size5.size9,._3_3l .katex .sizing.reset-size5.size9,#facebook ._3_3l .katex .fontsize-ensurer.reset-size5.size9,._3_3l .katex .fontsize-ensurer.reset-size5.size9{font-size:1.92em}#facebook ._3_3l .katex .sizing.reset-size5.size10,._3_3l .katex .sizing.reset-size5.size10,#facebook ._3_3l .katex .fontsize-ensurer.reset-size5.size10,._3_3l .katex .fontsize-ensurer.reset-size5.size10{font-size:2.30444444em}#facebook ._3_3l .katex .sizing.reset-size5.size11,._3_3l .katex .sizing.reset-size5.size11,#facebook ._3_3l .katex .fontsize-ensurer.reset-size5.size11,._3_3l .katex .fontsize-ensurer.reset-size5.size11{font-size:2.76444444em}#facebook ._3_3l .katex .sizing.reset-size6.size1,._3_3l .katex .sizing.reset-size6.size1,#facebook ._3_3l .katex .fontsize-ensurer.reset-size6.size1,._3_3l .katex .fontsize-ensurer.reset-size6.size1{font-size:.5em}#facebook ._3_3l .katex .sizing.reset-size6.size2,._3_3l .katex .sizing.reset-size6.size2,#facebook ._3_3l .katex .fontsize-ensurer.reset-size6.size2,._3_3l .katex .fontsize-ensurer.reset-size6.size2{font-size:.6em}#facebook ._3_3l .katex .sizing.reset-size6.size3,._3_3l .katex .sizing.reset-size6.size3,#facebook ._3_3l .katex .fontsize-ensurer.reset-size6.size3,._3_3l .katex .fontsize-ensurer.reset-size6.size3{font-size:.7em}#facebook ._3_3l .katex .sizing.reset-size6.size4,._3_3l .katex .sizing.reset-size6.size4,#facebook ._3_3l .katex .fontsize-ensurer.reset-size6.size4,._3_3l .katex .fontsize-ensurer.reset-size6.size4{font-size:.8em}#facebook ._3_3l .katex .sizing.reset-size6.size5,._3_3l .katex .sizing.reset-size6.size5,#facebook ._3_3l .katex .fontsize-ensurer.reset-size6.size5,._3_3l .katex .fontsize-ensurer.reset-size6.size5{font-size:.9em}#facebook ._3_3l .katex .sizing.reset-size6.size6,._3_3l .katex .sizing.reset-size6.size6,#facebook ._3_3l .katex .fontsize-ensurer.reset-size6.size6,._3_3l .katex .fontsize-ensurer.reset-size6.size6{font-size:1em}#facebook ._3_3l .katex .sizing.reset-size6.size7,._3_3l .katex .sizing.reset-size6.size7,#facebook ._3_3l .katex .fontsize-ensurer.reset-size6.size7,._3_3l .katex .fontsize-ensurer.reset-size6.size7{font-size:1.2em}#facebook ._3_3l .katex .sizing.reset-size6.size8,._3_3l .katex .sizing.reset-size6.size8,#facebook ._3_3l .katex .fontsize-ensurer.reset-size6.size8,._3_3l .katex .fontsize-ensurer.reset-size6.size8{font-size:1.44em}#facebook ._3_3l .katex .sizing.reset-size6.size9,._3_3l .katex .sizing.reset-size6.size9,#facebook ._3_3l .katex .fontsize-ensurer.reset-size6.size9,._3_3l .katex .fontsize-ensurer.reset-size6.size9{font-size:1.728em}#facebook ._3_3l .katex .sizing.reset-size6.size10,._3_3l .katex .sizing.reset-size6.size10,#facebook ._3_3l .katex .fontsize-ensurer.reset-size6.size10,._3_3l .katex .fontsize-ensurer.reset-size6.size10{font-size:2.074em}#facebook ._3_3l .katex .sizing.reset-size6.size11,._3_3l .katex .sizing.reset-size6.size11,#facebook ._3_3l .katex .fontsize-ensurer.reset-size6.size11,._3_3l .katex .fontsize-ensurer.reset-size6.size11{font-size:2.488em}#facebook ._3_3l .katex .sizing.reset-size7.size1,._3_3l .katex .sizing.reset-size7.size1,#facebook ._3_3l .katex .fontsize-ensurer.reset-size7.size1,._3_3l .katex .fontsize-ensurer.reset-size7.size1{font-size:.41666667em}#facebook ._3_3l .katex .sizing.reset-size7.size2,._3_3l .katex .sizing.reset-size7.size2,#facebook ._3_3l .katex .fontsize-ensurer.reset-size7.size2,._3_3l .katex .fontsize-ensurer.reset-size7.size2{font-size:.5em}#facebook ._3_3l .katex .sizing.reset-size7.size3,._3_3l .katex .sizing.reset-size7.size3,#facebook ._3_3l .katex .fontsize-ensurer.reset-size7.size3,._3_3l .katex .fontsize-ensurer.reset-size7.size3{font-size:.58333333em}#facebook ._3_3l .katex .sizing.reset-size7.size4,._3_3l .katex .sizing.reset-size7.size4,#facebook ._3_3l .katex .fontsize-ensurer.reset-size7.size4,._3_3l .katex .fontsize-ensurer.reset-size7.size4{font-size:.66666667em}#facebook ._3_3l .katex .sizing.reset-size7.size5,._3_3l .katex .sizing.reset-size7.size5,#facebook ._3_3l .katex .fontsize-ensurer.reset-size7.size5,._3_3l .katex .fontsize-ensurer.reset-size7.size5{font-size:.75em}#facebook ._3_3l .katex .sizing.reset-size7.size6,._3_3l .katex .sizing.reset-size7.size6,#facebook ._3_3l .katex .fontsize-ensurer.reset-size7.size6,._3_3l .katex .fontsize-ensurer.reset-size7.size6{font-size:.83333333em}#facebook ._3_3l .katex .sizing.reset-size7.size7,._3_3l .katex .sizing.reset-size7.size7,#facebook ._3_3l .katex .fontsize-ensurer.reset-size7.size7,._3_3l .katex .fontsize-ensurer.reset-size7.size7{font-size:1em}#facebook ._3_3l .katex .sizing.reset-size7.size8,._3_3l .katex .sizing.reset-size7.size8,#facebook ._3_3l .katex .fontsize-ensurer.reset-size7.size8,._3_3l .katex .fontsize-ensurer.reset-size7.size8{font-size:1.2em}#facebook ._3_3l .katex .sizing.reset-size7.size9,._3_3l .katex .sizing.reset-size7.size9,#facebook ._3_3l .katex .fontsize-ensurer.reset-size7.size9,._3_3l .katex .fontsize-ensurer.reset-size7.size9{font-size:1.44em}#facebook ._3_3l .katex .sizing.reset-size7.size10,._3_3l .katex .sizing.reset-size7.size10,#facebook ._3_3l .katex .fontsize-ensurer.reset-size7.size10,._3_3l .katex .fontsize-ensurer.reset-size7.size10{font-size:1.72833333em}#facebook ._3_3l .katex .sizing.reset-size7.size11,._3_3l .katex .sizing.reset-size7.size11,#facebook ._3_3l .katex .fontsize-ensurer.reset-size7.size11,._3_3l .katex .fontsize-ensurer.reset-size7.size11{font-size:2.07333333em}#facebook ._3_3l .katex .sizing.reset-size8.size1,._3_3l .katex .sizing.reset-size8.size1,#facebook ._3_3l .katex .fontsize-ensurer.reset-size8.size1,._3_3l .katex .fontsize-ensurer.reset-size8.size1{font-size:.34722222em}#facebook ._3_3l .katex .sizing.reset-size8.size2,._3_3l .katex .sizing.reset-size8.size2,#facebook ._3_3l .katex .fontsize-ensurer.reset-size8.size2,._3_3l .katex .fontsize-ensurer.reset-size8.size2{font-size:.41666667em}#facebook ._3_3l .katex .sizing.reset-size8.size3,._3_3l .katex .sizing.reset-size8.size3,#facebook ._3_3l .katex .fontsize-ensurer.reset-size8.size3,._3_3l .katex .fontsize-ensurer.reset-size8.size3{font-size:.48611111em}#facebook ._3_3l .katex .sizing.reset-size8.size4,._3_3l .katex .sizing.reset-size8.size4,#facebook ._3_3l .katex .fontsize-ensurer.reset-size8.size4,._3_3l .katex .fontsize-ensurer.reset-size8.size4{font-size:.55555556em}#facebook ._3_3l .katex .sizing.reset-size8.size5,._3_3l .katex .sizing.reset-size8.size5,#facebook ._3_3l .katex .fontsize-ensurer.reset-size8.size5,._3_3l .katex .fontsize-ensurer.reset-size8.size5{font-size:.625em}#facebook ._3_3l .katex .sizing.reset-size8.size6,._3_3l .katex .sizing.reset-size8.size6,#facebook ._3_3l .katex .fontsize-ensurer.reset-size8.size6,._3_3l .katex .fontsize-ensurer.reset-size8.size6{font-size:.69444444em}#facebook ._3_3l .katex .sizing.reset-size8.size7,._3_3l .katex .sizing.reset-size8.size7,#facebook ._3_3l .katex .fontsize-ensurer.reset-size8.size7,._3_3l .katex .fontsize-ensurer.reset-size8.size7{font-size:.83333333em}#facebook ._3_3l .katex .sizing.reset-size8.size8,._3_3l .katex .sizing.reset-size8.size8,#facebook ._3_3l .katex .fontsize-ensurer.reset-size8.size8,._3_3l .katex .fontsize-ensurer.reset-size8.size8{font-size:1em}#facebook ._3_3l .katex .sizing.reset-size8.size9,._3_3l .katex .sizing.reset-size8.size9,#facebook ._3_3l .katex .fontsize-ensurer.reset-size8.size9,._3_3l .katex .fontsize-ensurer.reset-size8.size9{font-size:1.2em}#facebook ._3_3l .katex .sizing.reset-size8.size10,._3_3l .katex .sizing.reset-size8.size10,#facebook ._3_3l .katex .fontsize-ensurer.reset-size8.size10,._3_3l .katex .fontsize-ensurer.reset-size8.size10{font-size:1.44027778em}#facebook ._3_3l .katex .sizing.reset-size8.size11,._3_3l .katex .sizing.reset-size8.size11,#facebook ._3_3l .katex .fontsize-ensurer.reset-size8.size11,._3_3l .katex .fontsize-ensurer.reset-size8.size11{font-size:1.72777778em}#facebook ._3_3l .katex .sizing.reset-size9.size1,._3_3l .katex .sizing.reset-size9.size1,#facebook ._3_3l .katex .fontsize-ensurer.reset-size9.size1,._3_3l .katex .fontsize-ensurer.reset-size9.size1{font-size:.28935185em}#facebook ._3_3l .katex .sizing.reset-size9.size2,._3_3l .katex .sizing.reset-size9.size2,#facebook ._3_3l .katex .fontsize-ensurer.reset-size9.size2,._3_3l .katex .fontsize-ensurer.reset-size9.size2{font-size:.34722222em}#facebook ._3_3l .katex .sizing.reset-size9.size3,._3_3l .katex .sizing.reset-size9.size3,#facebook ._3_3l .katex .fontsize-ensurer.reset-size9.size3,._3_3l .katex .fontsize-ensurer.reset-size9.size3{font-size:.40509259em}#facebook ._3_3l .katex .sizing.reset-size9.size4,._3_3l .katex .sizing.reset-size9.size4,#facebook ._3_3l .katex .fontsize-ensurer.reset-size9.size4,._3_3l .katex .fontsize-ensurer.reset-size9.size4{font-size:.46296296em}#facebook ._3_3l .katex .sizing.reset-size9.size5,._3_3l .katex .sizing.reset-size9.size5,#facebook ._3_3l .katex .fontsize-ensurer.reset-size9.size5,._3_3l .katex .fontsize-ensurer.reset-size9.size5{font-size:.52083333em}#facebook ._3_3l .katex .sizing.reset-size9.size6,._3_3l .katex .sizing.reset-size9.size6,#facebook ._3_3l .katex .fontsize-ensurer.reset-size9.size6,._3_3l .katex .fontsize-ensurer.reset-size9.size6{font-size:.5787037em}#facebook ._3_3l .katex .sizing.reset-size9.size7,._3_3l .katex .sizing.reset-size9.size7,#facebook ._3_3l .katex .fontsize-ensurer.reset-size9.size7,._3_3l .katex .fontsize-ensurer.reset-size9.size7{font-size:.69444444em}#facebook ._3_3l .katex .sizing.reset-size9.size8,._3_3l .katex .sizing.reset-size9.size8,#facebook ._3_3l .katex .fontsize-ensurer.reset-size9.size8,._3_3l .katex .fontsize-ensurer.reset-size9.size8{font-size:.83333333em}#facebook ._3_3l .katex .sizing.reset-size9.size9,._3_3l .katex .sizing.reset-size9.size9,#facebook ._3_3l .katex .fontsize-ensurer.reset-size9.size9,._3_3l .katex .fontsize-ensurer.reset-size9.size9{font-size:1em}#facebook ._3_3l .katex .sizing.reset-size9.size10,._3_3l .katex .sizing.reset-size9.size10,#facebook ._3_3l .katex .fontsize-ensurer.reset-size9.size10,._3_3l .katex .fontsize-ensurer.reset-size9.size10{font-size:1.20023148em}#facebook ._3_3l .katex .sizing.reset-size9.size11,._3_3l .katex .sizing.reset-size9.size11,#facebook ._3_3l .katex .fontsize-ensurer.reset-size9.size11,._3_3l .katex .fontsize-ensurer.reset-size9.size11{font-size:1.43981481em}#facebook ._3_3l .katex .sizing.reset-size10.size1,._3_3l .katex .sizing.reset-size10.size1,#facebook ._3_3l .katex .fontsize-ensurer.reset-size10.size1,._3_3l .katex .fontsize-ensurer.reset-size10.size1{font-size:.24108004em}#facebook ._3_3l .katex .sizing.reset-size10.size2,._3_3l .katex .sizing.reset-size10.size2,#facebook ._3_3l .katex .fontsize-ensurer.reset-size10.size2,._3_3l .katex .fontsize-ensurer.reset-size10.size2{font-size:.28929605em}#facebook ._3_3l .katex .sizing.reset-size10.size3,._3_3l .katex .sizing.reset-size10.size3,#facebook ._3_3l .katex .fontsize-ensurer.reset-size10.size3,._3_3l .katex .fontsize-ensurer.reset-size10.size3{font-size:.33751205em}#facebook ._3_3l .katex .sizing.reset-size10.size4,._3_3l .katex .sizing.reset-size10.size4,#facebook ._3_3l .katex .fontsize-ensurer.reset-size10.size4,._3_3l .katex .fontsize-ensurer.reset-size10.size4{font-size:.38572806em}#facebook ._3_3l .katex .sizing.reset-size10.size5,._3_3l .katex .sizing.reset-size10.size5,#facebook ._3_3l .katex .fontsize-ensurer.reset-size10.size5,._3_3l .katex .fontsize-ensurer.reset-size10.size5{font-size:.43394407em}#facebook ._3_3l .katex 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