LuLu LaTex
\documentstyle[a4wide,12pt]{report}
\begin{document}
\begin{Large}
\begin{center}
\vfill
\[{\zeta} = {\phi}_{{\theta}}-\frac{\int_{{\tau}={\epsilon}}^{{\chi}}
{\omega}_{\tau}.d{\tau}}{{\pi}_{0 {\nu}^{2}-89 {\nu} - 42}}\]
\end{center}
\end{Large}
\end{document}
