Matrices Practice Questions Ques9
Question: If $A$ is a skew-symmetric matrix, what is the value of $A + A^T$?
Options:
(A) $2A$
(B) $0$
(C) $A$
(D) $-A$
Show Answer
Answer: B
Explanation:
(A) Incorrect. This is not true for skew-symmetric matrices.
(B) Correct. For a skew-symmetric matrix $A$, $A + A^T = 0$.
(C) Incorrect. This is not true for skew-symmetric matrices.
(D) Incorrect. This is not true for skew-symmetric matrices.