Answer
$\frac{3}{2}x^{-1.2}-\frac{1}{3}x^{-2.1}$
Work Step by Step
$\frac{3x^{-1.2}}{2}-\frac{1}{3x^{2.1}}=\frac{3}{2}x^{-1.2}-\frac{1}{3}\times\frac{1}{x^{2.1}}=\frac{3}{2}x^{-1.2}-\frac{1}{3}x^{-2.1}$
Finite Math and Applied Calculus (6th Edition)
by Waner, Stefan; Costenoble, Steven
Published by
Brooks Cole
ISBN 10:
1133607705
ISBN 13:
978-1-13360-770-0
Chapter 0 - Section 0.2 - Exponents and Radicals - Exercises - Page 16: 75
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