Answer
Makes sense.
Work Step by Step
Only matrices of the same order can be added or subtracted.
Matrices of the same order are added or subtracted by adding or subtracting corresponding elements.
$A+B=[a_{ij}+b_{ij}]$
Makes sense.
College Algebra (6th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-32178-228-3
ISBN 13:
978-0-32178-228-1
Chapter 6 - Matrices and Determinants - Exercise Set 6.3 - Page 627: 77
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