#### Answer

$\sqrt[3] {a^{2}b}$

#### Work Step by Step

$\sqrt[12] {a^{8}b^{4}}=(a^{8}b^{4})^{1/12}=a^{8/12}b^{4/12}=a^{2/3}b^{1/3}=(a^{2}b)^{1/3}=\sqrt[3] {a^{2}b}$

Published by
Pearson

ISBN 10:
0321726391

ISBN 13:
978-0-32172-639-1

$\sqrt[3] {a^{2}b}$

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