Finite Math and Applied Calculus (6th Edition)

Published by Brooks Cole
ISBN 10: 1133607705
ISBN 13: 978-1-13360-770-0

Chapter 11 - Section 11.6 - Implicit Differentiation - Exercises - Page 853: 51

Answer

$x^x (1+\ln x) $

Work Step by Step

We have: $y=x^x$ We need to take natural logarithm of both sides. $\ln y=x \ln x$ We differentiate both sides with respect to $x$. $ \dfrac{1}{y}\dfrac{dy}{dx}=x \times \dfrac{1}{x}+\ln x \\ \dfrac{dy}{dx}=y(1+\ln x) \\ \dfrac{dy}{dx}=x^x (1+\ln x) $
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