Answer
$3251250$
Work Step by Step
$\sum ^{50}_{i=1}2i^{3}=2\sum ^{50}_{i=1}i^{3}=2\times \dfrac {n^{2}\times \left( n+1\right) ^{2}}{4}=\dfrac {2\times 50^{2}\times 51^{2}}{4}=3251250$
Precalculus (6th Edition)
by Lial, Margaret L.; Hornsby, John; Schneider, David I.; Daniels, Callie
Published by
Pearson
ISBN 10:
013421742X
ISBN 13:
978-0-13421-742-0
Chapter 11 - Further Topics in Algebra - 11.1 Sequences and Series - 11.1 Exercises - Page 1015: 78
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