sequences and series Flashcards
1
Q
what is the nth term of a geometric sequence
A
Un= ar^(n-1)
2
Q
the sum of a geometric sequence
A
Sn= a(1-r^n)/1-r
what is the nth term of a geometric sequence
Un= ar^(n-1)
the sum of a geometric sequence
Sn= a(1-r^n)/1-r