## Calculus 8th Edition

Published by Cengage

# Appendix E - Sigma Notation - E Exercises: 2

#### Answer

$\displaystyle \frac{1}{2}+\frac{1}{3}+\frac{1}{4}+\frac{1}{5}+\frac{1}{6}+\frac{1}{7}$

#### Work Step by Step

We expand the sigma notation by writing $\frac{1}{i+1}$ as $i$ increases from 1 to 6: $\displaystyle \sum_{i=1}^{6}\frac{1}{i+1}=\frac{1}{2}+\frac{1}{3}+\frac{1}{4}+\frac{1}{5}+\frac{1}{6}+\frac{1}{7}$

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