Answer
$u·v=-2$
Work Step by Step
$u·v=(3i+7j)(11i-5j)=3(11)+7(-5)=33-35=-2$
Algebra and Trigonometry 10th Edition
by Larson, Ron
Published by
Cengage Learning
ISBN 10:
9781337271172
ISBN 13:
978-1-33727-117-2
Chapter 8 - Review Exercises - Page 617: 71
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