College Algebra (11th Edition)

Published by Pearson
ISBN 10: 0321671791
ISBN 13: 978-0-32167-179-0

Chapter 5 - Section 5.7 - Properties of Matrices - 5.7 Exercises - Page 554: 31

Answer

The two matrices cannot be subtracted together since they have different dimensions.

Work Step by Step

Two matrices can be subtracted together if they have the same dimensions. It can be noticed from the given matrices that one matrix has $1 \times 2$ form and the other matrix is $1 \times 3$ form. Since, the dimensions are not same, it is not possible to take the difference of the two matrices.
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