- #1
peripatein
- 880
- 0
Hi,
I have determined, correctly I believe, that the following series converges:
1/[(3n-2)(3n+1)]
Now I am asked to determine its sum. I have tried separating it into two subseries, but each time got a p-series with p=1, hence to no avail.
The answer should be 1/3, but how may it be arrived at?
I have determined, correctly I believe, that the following series converges:
1/[(3n-2)(3n+1)]
Now I am asked to determine its sum. I have tried separating it into two subseries, but each time got a p-series with p=1, hence to no avail.
The answer should be 1/3, but how may it be arrived at?