Precalculus (6th Edition) Blitzer

Published by Pearson
ISBN 10: 0-13446-914-3
ISBN 13: 978-0-13446-914-0

Chapter 10 - Section 10.1 - Sequences and Summation Notation - Exercise Set - Page 1050: 87

Answer

The sum of the series is, $\sum\limits_{i=1}^{6}{5i}=105,\sum\limits_{i=1}^{6}{7i}=147,\sum\limits_{i=1}^{4}{2{{i}^{2}}}=60,\sum\limits_{i=1}^{5}{{{i}^{3}}}=225$ and $\sum\limits_{k=1}^{5}{k\left( k+4 \right)}=115$.

Work Step by Step

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