<<< native
[ ESubsup (ESymbol Op "\8747") (ENumber "0") (ENumber "1")
, EIdentifier "f"
, EDelimited
    "("
    ")"
    [ Right (EFraction NormalFrac (EIdentifier "x") (ENumber "2")) ]
, ESpace (1 % 9)
, ESymbol Ord "\8518"
, EIdentifier "x"
]
>>> omml
<?xml version='1.0' ?>
<m:oMathPara>
  <m:oMathParaPr>
    <m:jc m:val="center" />
  </m:oMathParaPr>
  <m:oMath>
    <m:nary>
      <m:naryPr>
        <m:chr m:val="∫" />
        <m:limLoc m:val="subSup" />
        <m:subHide m:val="0" />
        <m:supHide m:val="0" />
      </m:naryPr>
      <m:sub>
        <m:r>
          <m:t>0</m:t>
        </m:r>
      </m:sub>
      <m:sup>
        <m:r>
          <m:t>1</m:t>
        </m:r>
      </m:sup>
      <m:e>
        <m:r>
          <m:t>f</m:t>
        </m:r>
      </m:e>
    </m:nary>
    <m:d>
      <m:dPr>
        <m:begChr m:val="(" />
        <m:endChr m:val=")" />
        <m:sepChr m:val="" />
        <m:grow />
      </m:dPr>
      <m:e>
        <m:f>
          <m:fPr>
            <m:type m:val="bar" />
          </m:fPr>
          <m:num>
            <m:r>
              <m:t>x</m:t>
            </m:r>
          </m:num>
          <m:den>
            <m:r>
              <m:t>2</m:t>
            </m:r>
          </m:den>
        </m:f>
      </m:e>
    </m:d>
    <m:r>
      <m:t> </m:t>
    </m:r>
    <m:r>
      <m:rPr>
        <m:sty m:val="p" />
      </m:rPr>
      <m:t>ⅆ</m:t>
    </m:r>
    <m:r>
      <m:t>x</m:t>
    </m:r>
  </m:oMath>
</m:oMathPara>