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If "AA"^T=I where A^T is transpose of ma...

If `"AA"^T=I` where `A^T` is transpose of matrix A then, `1/2A[(A+A^T)^2+(A-A^T)^2]=?`

A

`A^(2)+A^(T)`

B

`A^(3)+A^(T)`

C

`A^3+I`

D

`A^2+I`

Text Solution

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The correct Answer is:
B
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