Solve for a, b, c, d (complex solution)
a=b^{2}+c
b\in \mathrm{C}
c\in \mathrm{C}
d=c^{e}+e
Solve for a, b, c, d
\left\{\begin{matrix}\\a=b^{2}\text{, }b\in \mathrm{R}\text{, }c=0\text{, }d=e\approx 2.718281828\text{, }&\text{unconditionally}\\a=b^{2}+c\text{, }b\in \mathrm{R}\text{, }c=\left(d-e\right)^{\frac{1}{e}}\text{, }d\in \mathrm{R}\text{, }&\left(d-e\right)^{\frac{1}{e}}>0\text{ and }d>e\end{matrix}\right.
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