Solve for n, A, c, o (complex solution)
n\neq 0\text{, }A=co\text{, }c\in \mathrm{C}\text{, }o=\frac{1}{n}
n\in \mathrm{C}\text{, }A=0\text{, }c=0\text{, }o\in \mathrm{C}
Solve for n, A, c, o
\left\{\begin{matrix}\\n\neq 0\text{, }A=co\text{, }c\in \mathrm{R}\text{, }o=\frac{1}{n}\text{; }n\in \mathrm{R}\text{, }A=0\text{, }c=0\text{, }o\neq \frac{1}{n}\text{, }&\text{unconditionally}\\n\in \mathrm{R}\text{, }A=0\text{, }c=0\text{, }o\in \mathrm{R}\text{, }&n=0\end{matrix}\right.
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