series Flashcards
1
Q
Σr
A
1/2 n(n+1)
2
Q
Σkf(r)= ?
A
kΣf(r)
3
Q
Σ1 = ?
A
n
4
Q
Σ[f(r) + g(r)] = ?
A
Σf(r) + Σg(r)
5
Q
Σr^2 = ?
A
1/6 n(n+1)(2n+1)
6
Q
Σr^3 = ?
A
1/4 n^2 (n+1)^2
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