Algebra 2 (1st Edition)

Published by McDougal Littell
ISBN 10: 0618595414
ISBN 13: 978-0-61859-541-9

Chapter 12 Sequences and Series - 12.1 Define and Use Sequences and Series - 12.1 Exercises - Skill Practice - Page 799: 51


$\displaystyle \frac{761}{140}$

Work Step by Step

$\displaystyle \sum_{i=1}^{8}\frac{2}{i}=\frac{2}{1}+\frac{2}{2}+\frac{2}{3}+\frac{2}{4}+\frac{2}{5}+\frac{2}{6}+\frac{2}{7}+\frac{2}{8}$ $=2+1+\displaystyle \frac{2}{3}+\frac{1}{3}+\frac{1}{2}+\frac{1}{4}+\frac{2}{5}+\frac{2}{7}$ $=\displaystyle \frac{840+420+280+140+210+105+168+120}{420}$ $=\displaystyle \frac{2283}{420}$ $=\displaystyle \frac{761}{140}$
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