MCQ
$\frac{{1 - i}}{{1 + i}}$ = . . .
- A$\cos \frac{\pi }{2} + i\sin \frac{\pi }{2}$
- ✓$\cos \frac{\pi }{2} - i\sin \frac{\pi }{2}$
- C$\sin \frac{\pi }{2} + i\cos \frac{\pi }{2}$
- Dએકપણ નહીં.
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