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 - 4.1 Vectors in Rn - 4.1 Exercises: 21

Answer

$=(6, 12,6)$

Work Step by Step

$2u+4v-w=2\times(1,2,3)=4\times(2,2,-1)-w$ $=(2,4,6)+(8,8,-4)-(4,0,-4)$ $=(2+8-4,4+8-0, 6-4-(-4))$ $=(6, 12,6)$
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