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If x-iy = sqrt[(a-ib)/(c-id)] prove that (x2 + y2)2 = (a2 + b2)/(c2 + d2)

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Solution: Given x-iy = sqrt[(a-ib)/(c-id)] 

by (10 points)
Hey listen,
If there is x+iy instead of x-iy
Then solve it.

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