College Algebra (11th Edition)

Published by Pearson
ISBN 10: 0321671791
ISBN 13: 978-0-32167-179-0

Chapter R - Section R.7 - Radical Expressions - R.7 Exercises - Page 69: 111



Work Step by Step

First, by using the quotient rule, we simply divide the two radicals in the fraction: $\frac{\sqrt[3] {15}}{\sqrt[3] {5}}=\sqrt[3] {3}$ After that, by using the product rule we multiply this value by the third radical: $\sqrt[3] 3\times \sqrt[3] 9 = \sqrt[3] {27}=\sqrt[3] {3^3}=3$
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