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If (1-ialpha)/(1+ialpha)=A+iB, then A^(2...

If `(1-ialpha)/(1+ialpha)=A+iB`, then `A^(2)+B^(2)` is :

A

`1`

B

`alpha^(2)`

C

`-1`

D

`-alpha^(2)`

Text Solution

Verified by Experts

The correct Answer is:
A
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