Calculus with Applications (10th Edition)

Published by Pearson
ISBN 10: 0321749006
ISBN 13: 978-0-32174-900-0

Chapter 8 - Further Techniques and Applications of Integration - Chapter Review - Review Exercises - Page 455: 1

Answer

The statement is False.

Work Step by Step

The statement is False since this integral $$ \int_{0}^{1} \frac{x^{2}}{x^{3}+1}dx $$ can be evaluate by using substitution as follows: Let $u=x^{3}+1$ so that $du =3x^{2}dx$ The integral is missing the 3, so multiply by $3.(\frac{1}{3})$ putting 3 inside the integral sign and $(\frac{1}{3})$ outside. $$ \begin{aligned} \int_{0}^{1} \frac{x^{2}}{x^{3}+1}dx &= ( \frac{1}{3})\int_{0}^{1} \frac{3x^{2}}{x^{3}+1}dx \\ &= ( \frac{1}{3})\int_{0}^{1} \frac{du}{u}\\ &= ( \frac{1}{3})\ln u |_{0} ^{1} \end{aligned} $$ Therefore The statement is False.
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