Algebra and Trigonometry 10th Edition

Published by Cengage Learning
ISBN 10: 9781337271172
ISBN 13: 978-1-33727-117-2

Chapter 5 - 5.2 - Logarithmic Functions and Their Graphs - 5.2 Exercises - Page 379: 78


$x=+5$ or $x=-5$

Work Step by Step

$\ln(x^2-2)=\ln23$ $x^2-2=23$ (One-to-One Property) $x^2=25$ $x=+5$ or $x=-5$
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