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Let w ne pm 1 be a complex number. If |w...

Let `w ne pm 1` be a complex number. If `|w| =1 `
`and z = (w -1)/(w +1),` then R (z) is equal to

A

1

B

`(1)/(|w +1|)`

C

`Re (w)`

D

0

Text Solution

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The correct Answer is:
D
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