If A and B are symmetric matrices of the same order, then
A. AB is a symmetric matrix
B. A – Bis askew-symmetric matrix
C. AB + BA is a symmetric matrix
D. AB – BA is a symmetric matrix
Answer:C
If A and B are symmetric matrices of the same order, then
A. AB is a symmetric matrix B. A – Bis askew-symmetric matrix C. AB + BA is a symmetric matrix D. AB – BA is a symmetric matrix