Series and Sequence
Arithmetic Sequence
An= a1 + (n-1) d
2, 4, 6, 8, 10.......
Arithmetic Series
Sn= n/2 (a1 + an)
3, 6, 9, 12, 15........
Geometric Sequence
Sn= a1(1-r^n) / 1-r
5, 10, 20, 40, 80.......
An= a1 + (n-1) d
2, 4, 6, 8, 10.......
Sn= n/2 (a1 + an)
3, 6, 9, 12, 15........
Sn= a1(1-r^n) / 1-r
5, 10, 20, 40, 80.......