Posted by Anonymous on .
Consider the series defined by Sn = 3n1
Find the first four terms of the series.
How exactly do I do this?

Arithmetic Series   Reiny 
drwls,
S1= 3*1 1 = 2
S2 = 3*2 1 = 5
S3 = 3*3 1 = 8
etc. 
Arithmetic Series   Reiny 
james hoool,
keep increasing N