Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)

Published by Pearson
ISBN 10: 0-32184-874-8
ISBN 13: 978-0-32184-874-1

Chapter 12 - Exponential Functions and Logarithmic Functions - 12.4 Properties of Logarithmic Functions - 12.4 Exercise Set: 53

Answer

$\log_a x$

Work Step by Step

Using the properties of logarithms, the given expression, $ \log_a x^2-2\log_a \sqrt{x} ,$ is equivalent to \begin{array}{l}\require{cancel} \log_a x^2-\log_a \left( \sqrt{x} \right)^2 \\\\= \log_a x^2-\log_a x \\\\= \log_a \dfrac{x^2}{x} \\\\= \log_a x .\end{array}
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