Differential Equations and Linear Algebra (4th Edition)

Published by Pearson
ISBN 10: 0-32196-467-5
ISBN 13: 978-0-32196-467-0

Chapter 4 - Vector Spaces - 4.1 Vectors in Rn - Problems - Page 252: 1

Answer

See below

Work Step by Step

Given $x=(-1,-4)\\ y=(-5,1)$ We have vector $v_1=3x=3(-1,-4)=(-3,-12)\\ v_2=-4y=-4(-5,1)=(20,-4)\\ v_3=v_1+v_2=(-3,-12)+(20,-4)=(17,-16)$
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