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Series and Summation Notation - Problem 6

Teacher/Instructor Alissa Fong
Alissa Fong

MA, Stanford University
Teaching in the San Francisco Bay Area

Alissa is currently a teacher in the San Francisco Bay Area and Brightstorm users love her clear, concise explanations of tough concepts

If a number pattern is geometric or arithmetic, then we have formulas to use as shortcuts for finding the sums. However, if the pattern is neither geometric nor arithmetic, then you could find the sum by finding each term using brute force, or you could try what we do here- there are shortcut formulas that you can use for quadratic, linear, and constant pieces of a sum.

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