Answer
$\ln(9x^2)$
Work Step by Step
Using property of logarithm:
$$2\ln(3x)=\ln(3x)^2=\ln(3^2\cdot x^2)=\ln(9x^2)$$
College Algebra (11th Edition)
by Lial, Margaret L.; Hornsby John; Schneider, David I.; Daniels, Callie
Published by
Pearson
ISBN 10:
0321671791
ISBN 13:
978-0-32167-179-0
Chapter 4 - Section 4.4 - Evaluating Logarithms and the Change-of-Base Theorem - 4.4 Exercises - Page 438: 99
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