MCQ
If $\left[\frac{1-i}{1+i}\right]^{100}=a+i b$, then :
  • A
    $a=2, b=-1$
  • B
    $a=1, b=0$
  • $a=0, b=1$
  • D
    $a=-1, b=2$

Answer

Correct option: C.
$a=0, b=1$
(C )

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