Calculus 10th Edition

Published by Brooks Cole
ISBN 10: 1-28505-709-0
ISBN 13: 978-1-28505-709-5

Chapter 8 - Integration Techniques, L'Hopital's Rule, and Improper Integrals - 8.1 Exercises: 25

Answer

$ln(1+e^x)+C$

Work Step by Step

$u=1+e^x; du=e^xdx$ $\int \frac {du} u$ $ln|u|+C$ $ln(1+e^x)+C$
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