Shared Flashcard Set

Details

Title

Summation Formulas

Description

formulas for sums of integers, etc

Total Cards

Subject

Mathematics

Level

Not Applicable

Created

06/18/2010

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Additional Mathematics Flashcards

Term

n

∑i

i=1

(sum of the first n positive integers)

Definition

n(n+1)

2

Term

n

∑i²

i=1

(sum of the first n square numbers)

Definition

n(n+1)(2n+1)

6

n³+n²+n

3 2 6

Term

n

∑i³

i=1

(sum of the first n cubed numbers)

Definition

((n(n+1))/2)²

n⁴+n³+n²

4 2 4