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If A is an 3xx3 non-singular matrix such...

If A is an `3xx3` non-singular matrix such that `A A^T=A^TA and B=A^(-1)A^T," then " B B^T` equals

A

I+B

B

I

C

`B^(-1)`

D

`(B^(-1))'`

Text Solution

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The correct Answer is:
B
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