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The complex number z is is such that |z|...

The complex number z is is such that `|z| =1, z ne -1 and w= (z-1)/(z+1).` Then real part of w is-

A

`(1)/(|z+1|)`

B

0

C

`(sqrt2)/(|z+1|^(2))`

D

`(1)/(|z+1|)^(2)`

Text Solution

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The correct Answer is:
B
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