Answer
$e^{3}$
Work Step by Step
$\ln x+\ln x^{3}=12\Rightarrow \ln x+3\ln x=12\Rightarrow 4\ln x=12\Rightarrow \ln x=3\Rightarrow x=e^{3}$
Precalculus (6th Edition)
by Lial, Margaret L.; Hornsby, John; Schneider, David I.; Daniels, Callie
Published by
Pearson
ISBN 10:
013421742X
ISBN 13:
978-0-13421-742-0
Chapter 4 - Inverse, Exponential, and Logarithmic Functions - Chapter 4 Test Prep - Review Exercises - Page 492: 56
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