boost_1_45_0/libs/math/doc/sf_and_dist/equations/legendre_5.mml

<math xmlns="http://www.w3.org/1998/Math/MathML" display="block">
  <mrow>
    <msubsup>
      <mi>P</mi>
      <mrow>
        <mi>l</mi>
        <mo>+</mo>
        <mn>1</mn>
      </mrow>
      <mi>m</mi>
    </msubsup>
    <mfenced>
      <mrow>
        <mi>x</mi>
      </mrow>
    </mfenced>
    <mspace width="1em"/>
    <mo>=</mo>
    <mspace width="1em"/>
    <mfrac>
      <mrow>
        <mfenced>
          <mrow>
            <mn>2</mn>
            <mi>l</mi>
            <mo>+</mo>
            <mn>1</mn>
          </mrow>
        </mfenced>
        <mi>x</mi>
        <msubsup>
          <mi>P</mi>
          <mrow>
            <mi>l</mi>
          </mrow>
          <mi>m</mi>
        </msubsup>
        <mfenced>
          <mrow>
            <mi>x</mi>
          </mrow>
        </mfenced>
        <mo>&#x2212;</mo>
        <mfenced>
          <mrow>
            <mi>l</mi>
            <mo>+</mo>
            <mi>m</mi>
            <mo>+</mo>
            <mn>1</mn>
          </mrow>
        </mfenced>
        <msubsup>
          <mi>P</mi>
          <mrow>
            <mi>l</mi>
            <mo>&#x2212;</mo>
            <mn>1</mn>
          </mrow>
          <mi>m</mi>
        </msubsup>
        <mfenced>
          <mrow>
            <mi>x</mi>
          </mrow>
        </mfenced>
      </mrow>
      <mfenced>
        <mrow>
          <mi>l</mi>
          <mo>&#x2212;</mo>
          <mi>m</mi>
          <mo>+</mo>
          <mn>1</mn>
        </mrow>
      </mfenced>
    </mfrac>
  </mrow>
</math>