Precalculus (6th Edition)

Published by Pearson
ISBN 10: 013421742X
ISBN 13: 978-0-13421-742-0

Chapter 8 - Application of Trigonometry - 8.4 Algebraically Defined Vectors and the Dot Product - 8.4 Exercises: 1

Answer

$2$

Work Step by Step

$u^{2}=\left( \sqrt {3}\right) ^{2}+1^{2}\Rightarrow u^{2}=4\Rightarrow u=2$
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