Question

If z = x - iy and $z^{\frac{1}{3}}$ = p + iq, then $\bigg \lgroup \frac{x}{p}+\frac{y}{q}\bigg \rgroup \bigg /(p^{2}+q^{2})$ equal to
(a) –2
(b) –1
(c) 2
(d) 1

Answer 1

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