Answer
$$19+20 \ln x$$
Work Step by Step
We simplify as follows:
$$\ln (e^{19}x^{20})= \ln e^{19} + \ln x^{20}= 19 \ln e + 20 \ln x = 19 + 20 \ln x$$
Precalculus (6th Edition) Blitzer
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13446-914-3
ISBN 13:
978-0-13446-914-0
Chapter 3 - Mid-Chapter Check Point - Page 477: 22
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