Answer
$3i+5j-8k$
Work Step by Step
Given: $u=\lt 1,1,-1 \gt$ and $v=\lt 2,0,3 \gt $
Now, $5u-v=5\lt 1,1,-1 \gt -\lt 2,0,3 \gt $
or, $=\lt 5,5,-5 \gt -\lt 2,0,3 \gt$
or, $=\lt 3,5,-8 \gt$
In vector form we have $5u-v=3i+5j-8k$
Thomas' Calculus 13th Edition
by Thomas Jr., George B.
Published by
Pearson
ISBN 10:
0-32187-896-5
ISBN 13:
978-0-32187-896-0
Chapter 12: Vectors and the Geometry of Space - Section 12.2 - Vectors - Exercises 12.2 - Page 704: 21
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