Answer
Impossible, they aren't the same size.
Work Step by Step
To add matrices, both must be the same size. A is a 1x3, B is a 2x3, therefore, this operation is impossible.
Precalculus: Mathematics for Calculus, 7th Edition
by Stewart, James; Redlin, Lothar; Watson, Saleem
Published by
Brooks Cole
ISBN 10:
1305071751
ISBN 13:
978-1-30507-175-9
Chapter 10 - Review - Exercises - Page 771: 47
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