If \[z=x+iy,\,\,{{z}^{1/3}}=a-ib,\] then \[\frac{x}{a}-\frac{y}{b}=k({{a}^{2}}-{{b}^{2}})\] where k is equal to

If \[z=x+iy,\,\,{{z}^{1/3}}=a-ib,\] then \[\frac{x}{a}-\frac{y}{b}=k({

1.	If \[z=x+iy,\,\,{{z}^{1/3}}=a-ib,\] then \[\frac{x}{a}-\frac{y}{b}=k({{a}^{2}}-{{b}^{2}})\] where k is equal to
A.	1
B.	2
C.	3
D.	4
Answer» E.

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If \[z=x+iy,\,\,{{z}^{1/3}}=a-ib,\] then \[\frac{x}{a}-\frac{y}{b}=k({{a}^{2}}-{{b}^{2}})\] where k is equal to

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