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\begin{document}
\begin{equation*}
\Huge
9 + 8 = \left( \frac{\left( 16 + 5i \right)^{(4+7i)}}{\sqrt{\left( 11 + 3i \right)^{2}}} \right) + \frac{\log_{\left( 3 + 6i \right)}\left( e^{\pi i} \right)}{5} + \left( 7 + 4i \right)
\end{equation*}
\end{
document}