Matrices and Determinants 1 Question 10
10. If $A$ and $B$ are square matrices of equal degree, then which one is correct among the following?
(a) $A+B=B+A$
(b) $A+B=A-B$
(c) $A-B=B-A$
(d) $A B=B A$
$(1995,2 \mathrm{M})$
Show Answer
Answer:
Correct Answer: 10. (a)
Solution:
- If $A$ and $B$ are square matrices of equal degree, then
$ A+B=B+A $
