Pure Mathematics - Series Flashcards
1
Q
What is the formula for the sum of consecutive numbers
A
0.5 x n x (n+1)
2
Q
What is the formula for the sum of consecutive quadratic numbers
A
1/6 x n x (n+1) x (2n+1)
3
Q
What is the formula for the sum of consecutive cubic numbers
A
0.25 x n^2 x (n+1)^2