Thursday, September 28, 2017

algebra precalculus - Square roots of Complex Number.

Calculate, in the form $a+ib$, where $a,b\in \Bbb R$, the square roots of $16-30i$.






My attempt with $(a+ib)^2 =16-30i$ makes me get $a^2+b^2=16$ and $2ab=−30$. Is this correct?

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