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If z=x+iy and x^(2)+y^(2)=1. Then the ar...

If `z=x+iy` and `x^(2)+y^(2)=1`. Then the argument of the complex, number `((z-1))/((z+1))` is

A

0

B

`pi//3`

C

`pi//4`

D

`pi//2`.

Text Solution

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The correct Answer is:
D
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