Answer
$\color{blue}{x}$
Work Step by Step
RECALL:
For even integers $n$ and $a\gt0$ , $\sqrt[n]{a^n} = a$
Using the rule above gives:
$\sqrt[4]{x^4} = \color{blue}{x}$
Precalculus (6th Edition)
by Lial, Margaret L.; Hornsby, John; Schneider, David I.; Daniels, Callie
Published by
Pearson
ISBN 10:
013421742X
ISBN 13:
978-0-13421-742-0
Chapter R - Review of Basic Concepts - R.7 Radical Expressions - R.7 Exercises - Page 75: 35
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