If `(x+i y)^3=u+i v ,`then show that `u/x+v/y=4(x^2-y^2)`.
Channel: Doubtnut
Date: 2019-12-27

If `(x+i y)^3=u+i v ,`then show that `u/x+v/y=4(x^2-y^2)`.

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