Find the Sum Using the Formulas for the Sums of Powers

question 273

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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Handedness

The dominant use of one hand over the other, typically evident in activities such as writing or throwing.

Firmly Established

Thoroughly ingrained or deeply rooted; securely fixed or stable.

Grasping

An instinctual reflex in infants that prompts them to tightly hold onto objects placed in their hands.

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