College Algebra (10th Edition)

Published by Pearson
ISBN 10: 0321979478
ISBN 13: 978-0-32197-947-6

Chapter 9 - Section 9.4 - Mathematical Induction - 9.4 Assess Your Understanding - Page 671: 37

Answer

See below.

Work Step by Step

$-2\begin{bmatrix} 1&-2& 0 \\ 3& 1&-1 \end{bmatrix}+\begin{bmatrix} 2&0& -5 \\ 7& 3&1 \end{bmatrix}=\begin{bmatrix} -2&4& 0 \\ -6& -2&2 \end{bmatrix}+\begin{bmatrix} 2&0& -5 \\ 7& -3&1 \end{bmatrix}=\begin{bmatrix} -2+2&4+0& 0-5 \\ -6+7& -2-3&2+1 \end{bmatrix}=\begin{bmatrix} 0&4& -5 \\ 1& -5&3 \end{bmatrix}$
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