Atrast b (complex solution)
\left\{\begin{matrix}b=-\sqrt{2}i\left(-x^{2}-2\right)^{-\frac{1}{2}}y\text{; }b=\sqrt{2}i\left(-x^{2}-2\right)^{-\frac{1}{2}}y\text{, }&y\neq 0\text{ and }x\neq -\sqrt{2}i\text{ and }x\neq \sqrt{2}i\\b\neq 0\text{, }&\left(x=\sqrt{2}i\text{ or }x=-\sqrt{2}i\right)\text{ and }y=0\end{matrix}\right,
Atrast x (complex solution)
x=-\sqrt{2\times \left(\frac{y}{b}\right)^{2}-2}
x=\sqrt{2\times \left(\frac{y}{b}\right)^{2}-2}\text{, }b\neq 0
Atrast b
b=\sqrt{\frac{2}{x^{2}+2}}y
b=-\sqrt{\frac{2}{x^{2}+2}}y\text{, }y\neq 0
Atrast x
x=\frac{\sqrt{2\left(y^{2}-b^{2}\right)}}{|b|}
x=-\frac{\sqrt{2\left(y^{2}-b^{2}\right)}}{|b|}\text{, }b\neq 0\text{ and }|y|\geq |b|
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