Precalculus (6th Edition)

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: 86


$\log _b \dfrac {p}{qr}$

Work Step by Step

$\log _{b}p-\log _{b}q-\log _{b}r=\left( \log _{b}p-\log _{b}q\right) -\log _{b}r=\log_b \dfrac {p}{q}-\log _{b}r=\log _b \dfrac {p}{qr}$
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