Teaching UP TGT Mock Test Series 2025 Mathematics Complex Numbers

If \(\rm (x+iy)^{1/3}=a+ib\) then \(\rm \frac{x}{a}+\frac{y}{b}\) is

1
-4(a2 + b2)
2
4(a2 - b2)
3
4(a2 + b2)
4
4(b2 - a2)
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