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 331: 5


$ \log _{a}(M N)=\log _{a} M+\log _{a} N$

Work Step by Step

Recall the product rule for logarithms: $$\log _{a}(AB)=\log _{a} A+\log _{a} B$$ Thus, $$\log_a{MN}=\log_a{M}+\log_a{N}$$
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