Ch 11 Flashcards
1
Q
Arithmetic Explicit Formula
A
AN=A1+(n-1)d
2
Q
Geometric Sequence
A
AN=A1r^n-1
3
Q
Geometric Recursive
A
AN=rAsubn-1
4
Q
Geometric Explicit
A
AN=A1r^n-1
5
Q
Sum arithmetic
A
SN=N(A1+AN)/2
6
Q
Sum Geometric Finite
A
SN=A1(1-r^n)/1-r
7
Q
Sum Geometric Infinite
A
S=A1/1-r
8
Q
Permutations
A
p(n,r) = n!/(n-r)!
9
Q
Combinations
A
C(n,r)=n!/r!(n-r)!
10
Q
Arithmetic Recursive Formula
A
AN=Asubn-1 +-d n>=2
