series Flashcards
1
Q
arthimetic nth term formula
A
Un=a + (n-1)d
2
Q
arithemtic sum formula
A
in fomrula book
3
Q
geometric nth term formula
A
ar^(n-1)
4
Q
geomtric sum formual
A
in fomrula booklet
5
Q
geometric sum to affinty formula
A
in fomrula booklet
6
Q
when is it an increasing sequence
A
if Un+1>Un for all n
7
Q
when is it a decreasing sequence
A
if Un+1<Un for all n
8
Q
when is it a period sequence
A
if Un+k = Un for all n
