Thomas' Calculus 13th Edition

Published by Pearson
ISBN 10: 0-32187-896-5
ISBN 13: 978-0-32187-896-0

Chapter 7: Transcendental Functions - Section 7.3 - Exponential Functions - Exercises 7.3 - Page 392: 134

Answer

$\ln2$

Work Step by Step

$avg$ = $\frac{1}{2-1}$$\int_{{\,1}}^{{\,2}}$$\frac{1}{x}$ $dx$ $avg$ = $\ln(x)$ $|_{{\,1}}^{{\,2}}$ $avg$ = $[\ln2-\ln1]$ $avg$ = $\ln2$
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