<math xmlns='http://www.w3c.org/mathml' version='2.0'>
  <apply> <eq/> 
    <apply> <int/>
      <bvar> <ci> x </ci> </bvar>
      <apply> <divide/>
        <cn> 1 </cn>
        <apply> <plus/>
          <ci> a </ci> 
          <apply> <times/>
            <ci> b </ci> 
            <apply> <power/>
              <ci> x </ci> 
              <cn> 2 </cn>
            </apply>  
          </apply>  
        </apply>
      </apply>
    </apply> 
    <apply> <or/>
      <apply> <times/>
        <apply> <divide/>
          <cn> 1 </cn>
          <apply> <times/>
            <cn> 2 </cn>
            <apply> <root/>
              <apply> <minus/>
                <apply> <times/>
                  <ci> a </ci> 
                  <ci> b </ci> 
                </apply>
              </apply>
            </apply>
          </apply>
        </apply>
        <apply> <log/>
          <apply> <divide/>
            <apply> <plus/>
              <ci> a </ci> 
              <apply> <times/>
                <ci> x </ci> 
                <apply> <root/>
                  <apply> <minus/>
                    <apply> <times/>
                      <ci> a </ci> 
                      <ci> b </ci> 
                    </apply>
                  </apply>
                </apply>
              </apply>
            </apply>
            <apply> <minus/>
              <ci> a </ci> 
              <apply> <times/>
                <ci> x </ci> 
                <apply> <root/>
                  <apply> <minus/>
                    <apply> <times/>
                      <ci> a </ci> 
                      <ci> b </ci> 
                    </apply>
                  </apply>
                </apply>
              </apply>
            </apply>
          </apply>
        </apply>
      </apply>
      <apply> <times/>
        <apply> <divide/>
          <cn> 1 </cn>
          <apply> <root/>
            <apply> <minus/>
              <apply> <times/>
                <ci> a </ci> 
                <ci> b </ci> 
              </apply>
            </apply>
          </apply>
        </apply>
        <apply> <power/>
          <apply> <tanh/>
            <apply> <divide/>
              <apply> <times/>
                <ci> x </ci> 
                <apply> <root/>
                  <apply> <minus/>
                    <apply> <times/>
                      <ci> a </ci> 
                      <ci> b </ci> 
                    </apply>
                  </apply>
                </apply>
              </apply>
              <ci> a </ci> 
            </apply>
          </apply>
          <apply> <minus/>
            <cn> 1 </cn> 
          </apply> 
        </apply>
      </apply>
    </apply> 
  </apply>
</math>