Algebra: A Combined Approach (4th Edition)

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

Chapter 10 - Test: 6

Answer

$-a^{6}b^{3}$

Work Step by Step

$\sqrt[3] {-a^{18}b^{9}}$ =$(-a^{18}b^{9})^{\frac{1}{3}}$ =$(-1)^{\frac{1}{3}}\times (a^{18})^{\frac{1}{3}}\times (b^{9})^{\frac{1}{3}}$ =$(-1)\times (a^{6})\times (b^{3})$ =$-a^{6}b^{3}$
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