Intermediate Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-894-7
ISBN 13: 978-0-13417-894-3

Chapter 7 - Review Exercises - Page 576: 30

Answer

$\sqrt[6]x$

Work Step by Step

Simplify. $\dfrac{\sqrt[3]{x^2}}{\sqrt[4]{x^2}}$ As per definition of square root property,we have $(p)^{\frac{m}{n}}=(\sqrt[n] {p})^m$ Thus, the given radical term can be written as: $\dfrac{\sqrt[3]{x^2}}{\sqrt[4]{x^2}}=\dfrac{x^\frac{2}{3}}{x^\frac{2}{4}}$ Since, the power raised to a same exponent or base gets subtract when they are divide. or,$=x^{\frac{2}{3}-\frac{1}{2}}$ or, $=x^\frac{4-3}{6}$ or, $=x^\frac{1}{6}$ Formula to convert the expression to radical form as: $a^\frac{x}{n}=\sqrt[n]{a^x}$ Hence, the above exponent in radical form can be written as: $\sqrt[6]x$
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