Answer
$b-a$
Work Step by Step
$\ln \dfrac {k}{m}=\ln (k)-\ln (m)
\\\Rightarrow \ln 1.5=\ln \dfrac {3}{2}
\\=\ln 3-\ln 2
\\=b-a$
Precalculus (10th Edition)
by Sullivan, Michael
Published by
Pearson
ISBN 10:
0-32197-907-9
ISBN 13:
978-0-32197-907-0
Chapter 5 - Exponential and Logarithmic Functions - 5.5 Properties of Logarithms - 5.5 Assess Your Understanding - Page 305: 31
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