Find the Sum of the Series $\sum _ { n = 1 } ^ { \infty } \frac { n 3 ^ { n } } { 4 ^ { n } }$

question 79

Short Answer

Find the sum of the series $\sum _ { n = 1 } ^ { \infty } \frac { n 3 ^ { n } } { 4 ^ { n } }$ .

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Definitions:

Actual Results

The real, measured outcomes of financial or operational activities within a given period.

Fixed Budget

A financial plan that does not change or fluctuate with the volume of business activity.

Standard Costs

Predetermined costs for the production of goods or services, used as benchmarks to measure actual performance and manage costs.

Actual Costs

Actual costs are the genuine expenditures incurred by a company, as opposed to estimated costs, during a given period for production, services, or other activities.