Answer
Can not be operated.
Work Step by Step
While the first two matrices can be operated, the third one has difference dimensions and can not be combined with the first two.
Precalculus (6th Edition)
by Lial, Margaret L.; Hornsby, John; Schneider, David I.; Daniels, Callie
Published by
Pearson
ISBN 10:
013421742X
ISBN 13:
978-0-13421-742-0
Chapter 9 - Systems and Matrices - Test - Page 958: 24
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