Answer
$\sum_{i=1}^{15}(i^2)$
Work Step by Step
Since, we have $1^2+2^2+....+15^2$
This can be summed up with the summation notation as:
$\sum_{i=1}^{15}(i^2)$
Intermediate Algebra for College Students (7th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13417-894-7
ISBN 13:
978-0-13417-894-3
Chapter 11 - Section 11.1 - Sequences and Summation Notation - Exercise Set - Page 829: 31
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