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If A=[(a,b),(b,a)] and A^(2)=[(alpha, be...

If `A=[(a,b),(b,a)]` and `A^(2)=[(alpha, beta),(beta, alpha)]` then

A

`alpha=a^(2)+b^(2),beta=2ab`

B

`alpha=a^(2)+b^(2),beta=a^(2)-b^(2)`

C

`alpha=2ab,beta=a^(2)+b^(2)`

D

`alpha=a^(2)+b^(2),beta=ab`

Text Solution

Verified by Experts

The correct Answer is:
A
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