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If A and B are square matrices of the sa...

If A and B are square matrices of the same order such that `A=-B^(-1)AB` then `(A+3B)^(2)` is equal to

A

`A+3B`

B

`A^(2)+9B^(2)`

C

`A^(2)+6AB+AB^(2)`

D

O

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The correct Answer is:
B
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