Solve for A, B (complex solution)
A=\sqrt{17-B^{2}}\text{, }B\in \mathrm{C}
A=-\sqrt{17-B^{2}}\text{, }B\in \mathrm{C}
Solve for A, B
A=-\sqrt{17-B^{2}}\text{, }B\in \begin{bmatrix}-\sqrt{17},\sqrt{17}\end{bmatrix}\text{; }A=\sqrt{17-B^{2}}\text{, }B\in \begin{bmatrix}-\sqrt{17},\sqrt{17}\end{bmatrix}
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