<math
xmlns="http://www.w3.org/1998/Math/MathML">
<semantics>
<merror>
<mtext>Parse error on line 1:
\(zv_{1}^{\prime}=2u_{0}-2u_{1
----------^
</mtext>
</merror>
<annotation encoding="TeX">zv_{1}^{\prime}=2u_{0}-2u_{1}v_{1}^{2}-\theta_{\infty}v_{1}</annotation>
</semantics>
</math>