Answer
$\sum ^{10}_{k=1}\left( 3k-1\right) $
Work Step by Step
$2+5+8+\ldots +29=\left( 3\times 1-1\right) +\left( 3\times 2-1\right) +\left( 3\times 3-1\right) +\ldots +\left( 3\times 10-1\right) =\sum ^{10}_{k=1}\left( 3k-1\right) $
Precalculus: Mathematics for Calculus, 7th Edition
by Stewart, James; Redlin, Lothar; Watson, Saleem
Published by
Brooks Cole
ISBN 10:
1305071751
ISBN 13:
978-1-30507-175-9
Chapter 12 - Section 12.1 - Sequences and Summation Notation - 12.1 Exercises - Page 851: 68
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