Algebra and Trigonometry 10th Edition

Published by Cengage Learning
ISBN 10: 9781337271172
ISBN 13: 978-1-33727-117-2

Chapter 5 - 5.3 - Properties of Logarithms - 5.3 Exercises - Page 386: 72


$4[\ln z+\ln(z+5)]-2\ln(z-5)=\ln\frac{z^4(z+5)^4}{(z-5)^2}$

Work Step by Step

$4[\ln z+\ln(z+5)]-2\ln(z-5)=4\ln z(z+5)-\ln(z-5)^2=\ln z^4(z+5)^4-\ln(z-5)^2=\ln\frac{z^4(z+5)^4}{(z-5)^2}$
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