If A=[(alpha,beta),(gamma,-alpha)] is su...

If `A=[(alpha,beta),(gamma,-alpha)]` is such that `A^(2)=I`, then :

A

`1+alpha^2+beta gamma=0`

B

`1-alpha^2+beta gamma=0`

C

`1-alpha^2-beta gamma =0`

D

`1+alpha^2-beta gamma =0`

Text Solution

Verified by Experts

The correct Answer is:

C

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