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If x-iy= sqrt((a-ib)/(c-id)) prove that ...

If `x-iy= sqrt((a-ib)/(c-id))` prove that `(x^2+y^2)^2= (a^2+b^2)/(c^2+d^2)`.

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JBD PUBLICATION-MODEL PAPER (2)-EXERCISE
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  14. If (5-3i)^2=a+ib then find the values of a and b.

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  15. If x-iy= sqrt((a-ib)/(c-id)) prove that (x^2+y^2)^2= (a^2+b^2)/(c^2+d^...

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