Find the Sum Using the Formulas for the Sums of Powers

question 40

Multiple Choice

Find the sum using the formulas for the sums of powers of integers. $\sum _ { n = 1 } ^ { 11 } \left( 8 n - 4 n ^ { 2 } \right)$

• A)-1100
• B)-4488
• C)-396
• D)264
• E)-1496

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Definitions:

Applied Voltage

The electrical potential difference deliberately introduced to a circuit or device.

Capacitive Reactance

The opposition that a capacitor offers to alternating current (AC), which decreases as the frequency of the AC increases, calculated as 1/(2πfC) where f is the frequency and C is the capacitance.

Series Connection

A circuit configuration in which components are connected end-to-end, providing a single path for current flow.

Frequency Source

A device or circuit component that generates an oscillating electrical signal of a specific frequency.