Just get a feeling for what it would look like. S sub n is going to be equal to youll have your first term here which is an a and then whats our second term going to be. A formula for evaluating a geometric series.
Infinite geometric series word problem.
Level up on the above skills and collect up to 400 Mastery points Start quiz. This is a geometric series so its going to be a times the common ratio. The future given the present state is independent of the past. To see that this is so we note that.