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 - Section 7.2 - Rational Exponents - Exercise Set - Page 522: 114



Work Step by Step

Simplify. $x^{\frac{-1}{4}}(x^{\frac{9}{4}}-x^{\frac{1}{4}})$ Thus, $=x^{\frac{-1}{4}}x^{\frac{9}{4}}-x^{\frac{-1}{4}} x^{\frac{1}{4}}$ or, $=x^{\frac{-1}{4}+\frac{9}{4}}-x^{\frac{-1}{4}+\frac{1}{4}}$ or, $=x^{\frac{8}{4}}-x^{0}$ or, $=x^{2}-1$
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