Answer
$\log _{a}\dfrac {xy}{m}$
Work Step by Step
$\log _{a}x+\log _{a}y=\log _{a}xy;\log _{a}x-\log _{a}y=\log _{a}\dfrac {x}{y}\Rightarrow $
$\log _{a}x+\log _{a}y-\log _{a}m=\log _{a}\dfrac {xy}{m}$
Precalculus (6th Edition)
by Lial, Margaret L.; Hornsby, John; Schneider, David I.; Daniels, Callie
Published by
Pearson
ISBN 10:
013421742X
ISBN 13:
978-0-13421-742-0
Chapter 4 - Inverse, Exponential, and Logarithmic Functions - 4.3 Logarithmic Functions - 4.3 Exercises - Page 446: 83
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