Answer
$x=3, x=-3$
Work Step by Step
$\frac{1}{x}-\frac{9}{x^{3}}=0$
$\frac{x^{2}-9}{x^{3}}=0$
$\frac{(x+3)(x-3)}{x^{3}}=0$
$x=3, x=-3$
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 0.6 - Solving Miscellaneous Equations - Exercises - Page 34: 21
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