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Find the Sum Using the Formulas for the Sums of Powers

Question 11

Multiple Choice

Find the sum using the formulas for the sums of powers of integers. $\sum _ { n = 1 } ^ { 5 } \left( n ^ { 2 } - n \right)$

A) 40
B) 330
C) 225
D) 15
E) 55

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