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Let w= [(z-1)/(1+iz)]^n, n in I, then |w...

Let `w= [(z-1)/(1+iz)]^n, n in I,` then `|w|=1` for

A

only even n

B

only odd n

C

only positive n

D

all n

Text Solution

Verified by Experts

The correct Answer is:
D
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