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The complex numbers a and b satisfy $a \overline{b} + 2 - 8i = -1 + 5i$.  Find $\overline{a} b - 5 + 7i$.

 Apr 22, 2021
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\(ab+2-8i=-1+5i\)  is also equal to \(ab=-3+13i\) and then you would have a new equation of \(-3+13i-5+7i \)

So your answer would be \(-8+20i\)

 Apr 22, 2021

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