Arithmetic & Geometic Sequences Flashcards
0
Q
General form for the nth term of a arithmetic sequence?
A
an= a1+d(n-1)
1
Q
General form for the nth term of a geometric sequence?
A
an= a1(r)n-1
2
Q
Equation for the sum of arithmetic sequence?
A
Sn= n(a1+an)/2
3
Q
Equation for the sum of geometric sequence?
A
Sn= a1(1-r^n)/1-r
