College Algebra (6th Edition)

Published by Pearson
ISBN 10: 0-32178-228-3
ISBN 13: 978-0-32178-228-1

Chapter 8 - Sequences, Induction, and Probability - Concept and Vocabulary Check - Page 724: 3


$S_{n}$ = $\frac{n}{2}$($a_{1}$ + $a_{n}$) $a_{1}$ is the first term, $a_{n}$ is the last term $a_{n}$ = $a_{1}$ + (n - 1) d

Work Step by Step

The sum $S_{n}$ = $\frac{n}{2}$($a_{1}$ + $a_{n}$) Where $a_{1}$ is the first term, and $a_{n}$ is the last term $a_{n}$ = $a_{1}$ + (n - 1) d
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