Evaluate (complex solution)
\frac{G}{J}=\frac{H}{I}\text{ and }\frac{H}{I}=\frac{GH}{IJ}
Solve for J
\left\{\begin{matrix}J\neq 0\text{, }&B\neq 0\text{ and }I\neq 0\text{ and }H=0\text{ and }G=0\\J=G\text{, }&B\neq 0\text{ and }I\neq 0\text{ and }H=I\text{ and }G\neq 0\end{matrix}\right.
Solve for I
\left\{\begin{matrix}I\neq 0\text{, }&J\neq 0\text{ and }B\neq 0\text{ and }H=0\text{ and }G=0\\I=H\text{, }&J\neq 0\text{ and }B\neq 0\text{ and }H\neq 0\text{ and }G=J\end{matrix}\right.
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