Answer
$\sum_{i=1}^{n}(a+d^{(i)})$
Work Step by Step
Since, we have $(a+d)+(a+d^2)+.....(a+d^n)$
This can be summed up with the summation notation as:
$\sum_{i=1}^{n}(a+d^{(i)})$
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: 48
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