Precalculus: Mathematics for Calculus, 7th Edition

Published by Brooks Cole
ISBN 10: 1305071751
ISBN 13: 978-1-30507-175-9

Chapter 7 - Section 7.1 - Trigonometric Identities - 7.1 Exercises - Page 544: 112

Answer

$x e^{\ln x^2}=x^3$

Work Step by Step

Need to verify $x e^{\ln x^2}=x^3$ We know that $e^{\log x}=x$; Then, we have $x e^{\ln x^2}=x \cdot x^2$ We know that $x^a \cdot x^b=x^{a+b}$ $\implies x \cdot x^2=x^{1+2}$ Thus, we have $x e^{\ln x^2}=x^{3}$ Hence, the left-hand side and right hand side are equal.
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