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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Definitions:

Straight-Line Method

A method of calculating depreciation or amortization by spreading the cost of an asset evenly across its useful life.

Accumulated Depreciation

The total amount of depreciation expense allocated to a fixed asset since it was put into use.

Cost Of Production

The total expenditure incurred in manufacturing a product or providing a service, including materials, labor, and overhead costs.

Initial Contribution

The initial investment or capital put into a business venture or project by its founders or investors.