Find the Right Part of the Equality $1 ^ { 2 } + 2 ^ { 2 } + 3 ^ { 2 } + \ldots + n ^ { 2 } =$

question 15

Multiple Choice

Find the right part of the equality. $1 ^ { 2 } + 2 ^ { 2 } + 3 ^ { 2 } + \ldots + n ^ { 2 } =$ ________

• A) \(\frac { n ( n + 1 ) ( 2 n + 1 ) } { 6 }\)
• B) \(\frac { n ( n + 1 ) ( n + 3 ) } { 4 }\)
• C) \(\frac { n ( n + 1 ) } { 2 }\)
• D) \(\frac { ( n + 1 ) ( n + 2 ) } { 3 }\)
• E) none of the above

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Definitions:

Machinery

Assets consisting of tools, equipment, and facilities used in production or manufacturing processes.

Depreciation Expense

The portion of the cost of a fixed asset deducted from revenue of the period, reflecting the use and wear and tear of the asset.

Cash Dividends

A rephrase: A form of profit-sharing where a corporation distributes a portion of its earnings to shareholders in the form of cash.