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

If A is a `3xx3` non-singular matrix such that `"AA"'=A'A` and `B=A^(-1)A'`, then `"BB"'` equals:

A

`(B^(-1))`

B

l+B

C

I

D

`B^(-1)`

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The correct Answer is:
C
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