Show that A' A and A A' are both symmetric matrices for any matrix A.

Show that A'A and AA ' are both symmetric matrices for any matrix A.

A A' is always a symmetric matrix for any matrix A.

A A' is always a symmetric matrix for any matrix A.

A A' is always a symmetric matrix for any matrix A .

A A' is always a symmetric matrix for any matrix A .

Sum of two skew symmetric matrices is always ……… matrix .

Sum of two skew symmetric matrices is always …… matrix.

If A and B are symmetric matrices,then ABA is (a) symmetric matric b) skew-symmetric matrix (c) diagonal matrix (d) scalar matrix

If A and B are symmetric matrices, then A B A is (a) symmetric matrix (b) skew-symmetric matrix (c) diagonal matrix (d) scalar matrix

If A and B are symmetric matrices, then A B A is (a) symmetric matrix (b) skew-symmetric matrix (c) diagonal matrix (d) scalar matrix