Calculus 10th Edition

Published by Brooks Cole
ISBN 10: 1-28505-709-0
ISBN 13: 978-1-28505-709-5

Chapter 5 - Logarithmic, Exponential, and Other Transcendental Functions - 5.4 Exercises - Page 352: 62

Answer

$y=ex-e$

Work Step by Step

$y=xe^x-e^x$ $(1,0)$ $=e^x(x-1)$ $u=e^x$ $u’=e^x$ $v=x-1$ $v’=1$ $y’=(e^x)(x-1)+(e^)(1)$ $=(e^x)(x-1+1)$ $=(e^x)(x)$ $y’(1)=e^1(1)$ $=e$ Equation of tangent: $y-0=e(x-1)$ $y=ex-e$
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