Answer
$\sqrt 2 - 1$
Work Step by Step
$|1-\sqrt{2}|=-(1-\sqrt{2})=\sqrt{2}-1$, because $\sqrt{2} > 1$ so the value becomes negative to accommodate.
College Algebra 7th Edition
by Stewart, James; Redlin, Lothar; Watson, Saleem
Published by
Brooks Cole
ISBN 10:
1305115546
ISBN 13:
978-1-30511-554-5
Chapter P, Prerequisites - Section P.2 - Real Numbers - P.2 Exercises - Page 16: 80
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