Thomas' Calculus 13th Edition

Published by Pearson
ISBN 10: 0-32187-896-5
ISBN 13: 978-0-32187-896-0

Chapter 3: Derivatives - Section 3.6 - The Chain Rule - Exercises 3.6 - Page 149: 77

Answer

$1$

Work Step by Step

$\frac{dy}{dx}$ = $\frac{dy}{du}$$\frac{du}{dx}$ $\frac{dy}{du}$ = $(\frac{1}{5})$ $\frac{du}{dx}$ = $(5)$ $\frac{dy}{dx}$ = $(\frac{1}{5})(5)$ = $1$
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