MCQ
જો ${(x + iy)^{1/3}} = a + ib$ તો $\frac{x}{a} + \frac{y}{b}$ =. . .
- A$4({a^2} + {b^2})$
- ✓$4({a^2} - {b^2})$
- C$4({b^2} - {a^2})$
- Dએકપણ નહીં.
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