Calculus 8th Edition

Published by Cengage
ISBN 10: 1285740629
ISBN 13: 978-1-28574-062-1

Chapter 12 - Vectors and the Geometry of Space - 12.4 The Cross Product - 12.4 Exercises - Page 861: 15


$96 \sqrt 3$; into the page

Work Step by Step

$|u \times v|=|u||v|sin \theta$ $=(12) (16) sin 60^ \circ$ $=192 (\frac{\sqrt 3}{ 2})$ $=96 \sqrt 3$ If we are using a right handed coordinate system then according to this rule vector $ u \times v$ is pointing into the page.
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