University Calculus: Early Transcendentals (3rd Edition)

Published by Pearson
ISBN 10: 0321999584
ISBN 13: 978-0-32199-958-0

Chapter 7 - Practice Exercises - Page 420: 9



Work Step by Step

$$A=\int^7_1\frac{3}{x}dx$$ $$A=3\ln|x|\Big]^7_1$$ $$A=3(\ln7-\ln1)$$ $$A=3(\ln7-0)=3\ln7$$
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