University Calculus: Early Transcendentals (3rd Edition)

Published by Pearson
ISBN 10: 0321999584
ISBN 13: 978-0-32199-958-0

Chapter 5 - Practice Exercises - Page 342: 35

Answer

See below.

Work Step by Step

We know that $\int x^{n} dx=\dfrac{x^{n+1}}{n+1}+C$ where $C$ is a constant of proportionality. $y=x^2+\int_{1}^{x} \dfrac{1}{t} dt$ or, $y'=2x^{2-1}+\dfrac{1}{x}=2x+\dfrac{1}{x}$ and $y''=2x^{1-1}+(-1)x^{-1+1}=2-\dfrac{1}{x^2}$ Now, $y(1)=1$ and $y'(1)=2+\dfrac{1}{1}=3$
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