Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)

Published by Pearson
ISBN 10: 0-32184-874-8
ISBN 13: 978-0-32184-874-1

Chapter 10 - Exponents and Radicals - 10.6 Solving Radical Equations - 10.6 Exercise Set - Page 668: 19



Work Step by Step

Raising both sides to the $\text{ 4th }$ power, the solution to the given equation, $ \sqrt[4]{t-10}=3 $, is \begin{array}{l} t-10=81 \\\\ t=81+10 \\\\ t=91 .\end{array} Upon checking, $ t=91 $ satisfies the given equation.
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