Finite Math and Applied Calculus (6th Edition)

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

Chapter 13 - Section 13.1 - The Indefinite Integral - Exercises - Page 958: 42

Answer

$ \displaystyle \frac{x^{2}}{2}-2\ln|x|+C$

Work Step by Step

$\displaystyle \frac{x^{2}-2}{x}=\frac{x^{2}}{x}-\frac{2}{x}=x-2x^{-1}$ $\displaystyle \int\frac{x^{2}-2}{x}dx$ = $\displaystyle \int(x-2x^{-1})dx$ ... Sum and Difference RuIes, $= \displaystyle \int xdx-\int 2x^{-1}dx$ ... Constant MultipIe Rule $= \displaystyle \int xdx-2\int x^{-1}dx$ ... 1st integral: Power Rule, $n\neq-1$ ... 2nd integral, $n=-1$ $=\displaystyle \frac{x^{2}}{2}-2\ln|x|+C$
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