Calculus 8th Edition

Published by Cengage
ISBN 10: 1285740629
ISBN 13: 978-1-28574-062-1

Appendix A - Numbers, Inequalities, and Absolute Values - A Exercises - Page A9: 11



Work Step by Step

Start with given expression: $|x^{2}+1|$ Since $x^{2}+1$ must be positive, the absolute value is the same as what is inside the absolute value: $|x^{2}+1|=x^{2}+1 $
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