Summation Equations
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Last updated 1:02 PM on 2/11/25
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9 Terms
1
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Geometric nth term
f(1) * r^(n-1)
2
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Geometric sum
f(1) * (1-r^n)/(1-r)
3
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Arithmetic nth term
f(1) + (n-1)d
4
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Arithmetic sum
n(f(1)+f(n))/2
5
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sum of constant
n * c
6
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sum of k
n(n+1)/2
7
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sum of k²
n(n+1)(2n+1)/6
8
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sum of k³
(n(n+1)/2)²
9
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infinite sum
f(1)/(1-r)
Note 
Flashcards (31)