<?xml version="1.0" encoding="UTF-8"?>
<m:oMathPara>
<m:oMathParaPr>
<m:jc m:val="center" />
</m:oMathParaPr>
<m:oMath>
<m:limLow>
<m:e>
<m:r>
<m:rPr>
<m:sty m:val="p" />
</m:rPr>
<m:t>lim</m:t>
</m:r>
</m:e>
<m:lim>
<m:r>
<m:rPr>
<m:sty m:val="p" />
</m:rPr>
<m:t>z</m:t>
</m:r>
<m:r>
<m:rPr>
<m:sty m:val="p" />
</m:rPr>
<m:t>→</m:t>
</m:r>
<m:sSub>
<m:e>
<m:r>
<m:rPr>
<m:sty m:val="p" />
</m:rPr>
<m:t>z</m:t>
</m:r>
</m:e>
<m:sub>
<m:r>
<m:rPr>
<m:sty m:val="p" />
</m:rPr>
<m:t>0</m:t>
</m:r>
</m:sub>
</m:sSub>
</m:lim>
</m:limLow>
<m:r>
<m:rPr>
<m:sty m:val="p" />
</m:rPr>
<m:t>f</m:t>
</m:r>
<m:r>
<m:rPr>
<m:sty m:val="p" />
</m:rPr>
<m:t>(</m:t>
</m:r>
<m:r>
<m:rPr>
<m:sty m:val="p" />
</m:rPr>
<m:t>z</m:t>
</m:r>
<m:r>
<m:rPr>
<m:sty m:val="p" />
</m:rPr>
<m:t>)</m:t>
</m:r>
<m:r>
<m:rPr>
<m:sty m:val="p" />
</m:rPr>
<m:t>=</m:t>
</m:r>
<m:r>
<m:rPr>
<m:sty m:val="p" />
</m:rPr>
<m:t>f</m:t>
</m:r>
<m:r>
<m:rPr>
<m:sty m:val="p" />
</m:rPr>
<m:t>(</m:t>
</m:r>
<m:sSub>
<m:e>
<m:r>
<m:rPr>
<m:sty m:val="p" />
</m:rPr>
<m:t>z</m:t>
</m:r>
</m:e>
<m:sub>
<m:r>
<m:rPr>
<m:sty m:val="p" />
</m:rPr>
<m:t>0</m:t>
</m:r>
</m:sub>
</m:sSub>
<m:r>
<m:rPr>
<m:sty m:val="p" />
</m:rPr>
<m:t>)</m:t>
</m:r>
</m:oMath>
</m:oMathPara>