Answer
a) $\log_5\frac{1}{125}=-3$
b) $\ln(\frac{1}{e^2})=-2$
Work Step by Step
a) $\log_5\frac{1}{125}=\log_5{5^{-3}}=-3\log_5{5}=-3$
b) $\ln(\frac{1}{e^2})=\ln e^{-2}=-2\ln e=-2$
Calculus: Early Transcendentals 9th Edition
by Stewart, James
Published by
Cengage Learning
ISBN 10:
1337613924
ISBN 13:
978-1-33761-392-7
Chapter 1 - Section 1.5 - Inverse Functions and Logarithms - 1.5 Exercises - Page 65: 36
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