Calculus: Early Transcendentals 8th Edition

Published by Cengage Learning
ISBN 10: 1285741552
ISBN 13: 978-1-28574-155-0

APPENDIX E - Sigma Notation - E Exercises: 6

Answer

$x^{5}+x^{6}+x^{7}+x^{8}$

Work Step by Step

We expand the sigma notation by writing $x^{k}$ as $k$ increases from 5 to 8: $\displaystyle \sum_{k=5}^{8}x^{k}=x^{5}+x^{6}+x^{7}+x^{8}$
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