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If |z|=1 and z ne +- 1, then one of the ...

If `|z|=1 and z ne +- 1`, then one of the possible values of
arg(z)- arg `(z+1)- arg (z-1)`, is

A

`-pi//6`

B

`pi//3`

C

`-pi//2`

D

`pi//4`

Text Solution

Verified by Experts

The correct Answer is:
C
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