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: 121



Work Step by Step

Simplify. $(49x^{-2}y^4)^{-1/2}(xy^{1/2})$ or, $=(49)^{-1/2}(x^{-2})^{-1/2}(y^4)^{-1/2}(xy^{1/2})$ or, $=\dfrac{x^{1+1} y^{-2+\frac{1}{2}}}{(49)^{1/2}}$ or, $=\dfrac{x^{2} y^{\frac{-3}{2}}}{(7^2)^{1/2}}$ or, $=\dfrac{x^{2}}{7y^{\frac{3}{2}}}$
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