Find the Sum Using the Formulas for the Sums of Powers

question 25

Multiple Choice

Find the sum using the formulas for the sums of powers of integers. $\sum _ { n = 1 } ^ { 12 } 9 n - 3 n ^ { 2 }$

• A)-924
• B)-1248
• C)468
• D)-324
• E)-3744

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Definitions:

Thin Lines

Thin lines in technical drawings represent features that are not visible in the current view, boundaries of adjacent or hidden surfaces, or paths of motion, providing clarity and detail.

WWF

Incorrectly abbreviated or unrecognized key term; could refer to World Wide Fund for Nature (environmental organization) but needs clarification in context.

Flange Shapes

Specific geometrical forms designed for connecting pipes, valves, pumps, and other equipment to form a piping system.

Miscellaneous Channels

Various minor or diverse types of channel-shaped structural elements.