Question

If A and B are two matrices such that A + B and AB are both defined, then

• A. A and B are two matrices not necessarily of same order.
• B. A and B are square matrices of same order.
• C. Number of columns of A = Number of rows of B.
• D. None of these.

Answer 1

Answer: (B)

Correct answer is (b) A and B are square matrices of same order.