Precalculus: Concepts Through Functions, A Unit Circle Approach to Trigonometry (3rd Edition)

Published by Pearson
ISBN 10: 0-32193-104-1
ISBN 13: 978-0-32193-104-7

Chapter 4 - Exponential and Logarithmic Functions - Section 4.5 Properties of Logarithms - 4.5 Assess Your Understanding - Page 332: 103

Answer

See below.

Work Step by Step

$RHS=2x+ln(1+e^{-2x})=ln(e^{2x})+ln(1+e^{-2x})=ln[e^{2x}(1+e^{-2x})]=ln[e^{2x}+1]=LHS$
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