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) $A B=B A$
$(1995,2 \mathrm{M})$
Correct Answer: 12.(a)
Solution:
Properties of Matrix Addition:
$ A+B=B+A $
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