Algebra and Trigonometry 10th Edition

Published by Cengage Learning
ISBN 10: 9781337271172
ISBN 13: 978-1-33727-117-2

Prerequisites - P.1 - Review of Real Numbers and Their Properties - Exercises - Page 12: 38



Work Step by Step

$|x|=x$ if $x\geq0$ $|x|=-x$ if $x\lt0$ Given that $x-1\ge0$, if $x\gt1$: $|x-1|=x-1$ $\frac{|x-1|}{x-1}=\frac{x-1}{x-1}=1$
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