Calculus (3rd Edition)

Published by W. H. Freeman
ISBN 10: 1464125260
ISBN 13: 978-1-46412-526-3

Chapter 7 - Exponential Functions - 7.3 Logarithms and Their Derivatives - Exercises - Page 343: 85


$$ \int \frac{7 d x}{x} =7 \ln |x|+C $$

Work Step by Step

Recall that $\int \frac{1}{x}dx=\ln |x|+C$ Thus, we have: $$ \int \frac{7 d x}{x}=7\int \frac{ d x}{x}=7 \ln |x|+C $$
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