Ebatzi: a (complex solution)
\left\{\begin{matrix}a=\frac{\ln(Y)}{\theta }+\frac{2\pi n_{1}i}{\theta }\text{, }n_{1}\in \mathrm{Z}\text{, }&\theta \neq 0\text{ and }Y\neq 0\\a\in \mathrm{C}\text{, }&Y=1\text{ and }\theta =0\end{matrix}\right.
Ebatzi: Y
Y=e^{a\theta }
Ebatzi: a
\left\{\begin{matrix}a=\frac{\ln(Y)}{\theta }\text{, }&\theta \neq 0\text{ and }Y>0\\a\in \mathrm{R}\text{, }&Y=1\text{ and }\theta =0\end{matrix}\right.
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