Precalculus (6th Edition) Blitzer

Published by Pearson
ISBN 10: 0-13446-914-3
ISBN 13: 978-0-13446-914-0

Chapter P - Review Exercises: 10

Answer

$\sqrt 2-1$

Work Step by Step

The absolute value of a positive number is simply the number itself. Since $\sqrt 2-1$ is positive, $|\sqrt 2-1|=\sqrt 2-1$.
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