Algebra and Trigonometry 10th Edition

Published by Cengage Learning
ISBN 10: 9781337271172
ISBN 13: 978-1-33727-117-2

Prerequisites - P.2 - Exponents and Radicals - Exercises - Page 25: 46


$a]$ $\frac{18}{z}\sqrt \frac{1}{z}$ $b]$ $\frac{4a^{2}}{b}\sqrt 2$

Work Step by Step

$a]$ $\sqrt \frac{18^{2}}{z^{3}}=$ $18\sqrt \frac{1}{z^{2}\times z}=$ $\frac{18}{z}\sqrt \frac{1}{z}$ $b]$ $\sqrt \frac{32a^{4}}{b^{2}}=$ $\frac{1}{b}\sqrt \frac{4^{2}\times 2 \times a^{4}}{1}=$ $\frac{4a^{2}}{b}\sqrt 2$
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