Answer
$\sqrt[12] (81x^{3})$
Work Step by Step
$\sqrt[3] 3\times\sqrt[4] x=3^{\frac{1}{3}}\times x^{\frac{1}{4}}=3^{\frac{4}{12}}\times x^{\frac{3}{12}}=(3^{4}\times x^{3})^{\frac{1}{12}}=(81x^{3})^{\frac{1}{12}}=\sqrt[12] (81x^{3})$
Intermediate Algebra (6th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321785045
ISBN 13:
978-0-32178-504-6
Chapter 7 - Review - Page 469: 58
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