If A is a square matrix, then A -A' is a

Question

If A is a square matrix, then A -A' is a (A) diagonal matrix (B) skew-symmetric matrix (C) symmetric matrix (D) none of these

Tardigrade Admin · Accepted Answer

As (A - A')' = A' - (A')' = A' - A = -(A - A'), therefore, A - A' is a skew-symmetric matrix.

Q. If $A$ is a square matrix, then $A - A^{'}$ is a