If A is an 3 xx 3 non - singular matrix ...

If A is an `3 xx 3` non - singular matrix such that AA'= A'A and B =`A^(-1) A'`, then BB' equals a)I + B b)I c)`B^(-1)` d)`(B^(-1))`

A

I + B

B

I

C

`B^(-1)`

D

`(B^(-1))`

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The correct Answer is:

B

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