boost-react-native-bundle/boost_1_57_0/libs/math/doc/equations/legendre_0.mml

Boost library as in https://sourceforge.net/projects/boost/files/boost/1.57.0/

<math xmlns="http://www.w3.org/1998/Math/MathML" display="block">
  <mrow>
    <mtext>legendre_p</mtext>
    <mfenced>
      <mrow>
        <mi>l</mi>
        <mo>,</mo>
        <mi>x</mi>
      </mrow>
    </mfenced>
    <mspace width="1em"/>
    <mo>=</mo>
    <mspace width="1em"/>
    <msub>
      <mi>P</mi>
      <mi>l</mi>
    </msub>
    <mfenced>
      <mrow>
        <mi>x</mi>
      </mrow>
    </mfenced>
    <mspace width="1em"/>
    <mo>=</mo>
    <mspace width="1em"/>
    <mfrac>
      <mn>1</mn>
      <mrow>
        <msup>
          <mn>2</mn>
          <mi>l</mi>
        </msup>
        <mi>l</mi>
        <mo>!</mo>
      </mrow>
    </mfrac>
    <mfrac>
      <mrow>
        <msup>
          <mi>d</mi>
          <mi>l</mi>
        </msup>
      </mrow>
      <mrow>
        <mi>d</mi>
        <msup>
          <mi>x</mi>
          <mi>l</mi>
        </msup>
      </mrow>
    </mfrac>
    <msup>
      <mfenced>
        <mrow>
          <msup>
            <mi>x</mi>
            <mn>2</mn>
          </msup>
          <mo>&#x2212;</mo>
          <mn>1</mn>
        </mrow>
      </mfenced>
      <mi>l</mi>
    </msup>
    <mspace width="1em"/>
    <mo>;</mo>
    <mspace width="1em"/>
    <mo>|</mo>
    <mi>x</mi>
    <mo>|</mo>
    <mo>&#x2264;</mo>
    <mn>1</mn>
  </mrow>
</math>