Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 10 - Section 10.2 - Rational Exponents - Exercise Set - Page 694: 76


$\sqrt[20] a$

Work Step by Step

$\dfrac{\sqrt[4] a}{\sqrt[5] a}=\dfrac{a^{1/4}}{a^{1/5}}=a^{1/4-1/5}=a^{1/20}=\sqrt[20] a$
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