Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)

Published by Pearson
ISBN 10: 0-32184-874-8
ISBN 13: 978-0-32184-874-1

Chapter 14 - Sequences, Series, and the Binomial Theorem - 14.2 Arithmetic Sequences and Series - 14.2 Exercise Set: 4

Answer

Sum

Work Step by Step

The sum of the first n terms of an arithmetic sequence can be calculated as: $\frac{n}{2}(a_1+a_n)$ Here: $\frac{4}{2}(5+11)$
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