Precalculus (6th Edition) Blitzer

Published by Pearson
ISBN 10: 0-13446-914-3
ISBN 13: 978-0-13446-914-0

Chapter 8 - Review Exercises - Page 950: 25


The matrix operation $ AB-BA $ is not defined.

Work Step by Step

Here we need to find $ AB-BA $. Note that the product matrix $ AB $ is of order $2\times 2$ and the product matrix $ BA $ is of order $3\times 3$. Therefore, the given matrix operation $ AB-BA $ is not possible.
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