#### Question

If (*x* + *iy*)^{3} = *u* + *iv*, then show that `u/x + v/y =4(x^2 - y^2)`

#### Solution

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Solution If (X + Iy)3 = U + Iv, Then Show that U/X + V/Y =4(X^2 - Y^2) Concept: The Modulus and the Conjugate of a Complex Number.