Calculus: Early Transcendentals (2nd Edition)

Published by Pearson
ISBN 10: 0321947347
ISBN 13: 978-0-32194-734-5

Chapter 8 - Sequences and Infinite Series - 8.3 Infinite Series - 8.3 Exercises: 22


$=\dfrac {7}{5}=1.4$

Work Step by Step

$1+\dfrac {2}{7}+\left( \dfrac {2}{7}\right) ^{2}+\left( \dfrac {2}{7}\right) ^{3}...=\dfrac {a_{1}}{1-r}=\dfrac {1}{1-\dfrac {2}{7}}=\dfrac {1}{\dfrac {5}{T}}=\dfrac {7}{5}=1.4$
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.