Use the Definition of Big- $O$ To Prove That 1 $( n - 1 )$

question 20

Essay

Use the definition of big- $O$ to prove that 1.2+2.3+3.4+...+ $( n - 1 )$ . $n$ is $O \left( n ^ { 3 } \right)$

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Definitions:

IFRS

International Financial Reporting Standards, a set of accounting principles that dictate how transactions and other accounting events are reported in financial statements globally.

Construction Contracts

Agreements between parties involving the construction, alteration, or repair of buildings or structures.

Direct Costs

Expenses that can be directly attributed to the production of specific goods or services.

Indirect Costs

Overhead or administrative expenses that are not directly attributable to a specific product or service, but are necessary for the business operations.