Answer
$\{1,512\}$
Work Step by Step
Step 1. Given the equation $x^{2/3}-9x^{1/3}+8=0$, let $u=x^{1/3}$, we have $u^2-9u+8=0$ which gives $u=1,8$ or $x^{1/3}=1,8$
Step 2. Solve the above equation to get $x= 1,512$ or in set form as $\{1,512\}$
College Algebra (6th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-32178-228-3
ISBN 13:
978-0-32178-228-1
Chapter 1 - Summary, Review, and Test - Test - Page 206: 15
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