Elementary Linear Algebra 7th Edition

Published by Cengage Learning
ISBN 10: 1-13311-087-8
ISBN 13: 978-1-13311-087-3

Chapter 4 - Vector Spaces - 4.2 Vector Spaces - 4.2 Exercises - Page 160: 10


$\left[\begin{array}{ll}{-a} & {-b}& {-c} & {-d}\end{array}\right]$

Work Step by Step

The additive inverse of any matrix $\left[\begin{array}{ll}{a} & {b} & {c} & {d}\end{array}\right]\in M_{1,4}$ is given by $-\left[\begin{array}{ll}{a} & {b}& {c} & {d}\end{array}\right]=\left[\begin{array}{ll}{-a} & {-b}& {-c} & {-d}\end{array}\right].$
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