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: 54



Work Step by Step

$z^{-\frac{1}{4}}$ is a non-zero real number thus $z^{-\frac{1}{4}}=\frac{1}{z^{\frac{1}{4}}}$ Thus $7xz^{-\frac{1}{4}}=\frac{7x}{z^{\frac{1}{4}}}$
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