If Ais symmetric and B is skew-symmetric...

If Ais symmetric and B is skew-symmetric matrix, then which of the following is/are CORRECT ?

A

`ABA^(T)` is a symmetric matrix

B

`AB^(T)+BA^(T)` is a symmetric matrix

C

`(A+B)(A-B)` is a skew symmetric matrix

D

`(A+I)(B-I)` is a skew symmetric matrix

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The correct Answer is:

B

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