Precalculus (6th Edition)

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: 43

Answer

$\color{blue}{-2\sqrt[4]{2}}$

Work Step by Step

Factor the radicand so that one factor is a perfect fourth power to obtain: $=-\sqrt[4]{16(2)} \\=-\sqrt[4]{2^4(2)}$ Bring out the fourth root of the perfect fourth power factor to obtain: $=\color{blue}{-2\sqrt[4]{2}}$
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