1. The problem statement, all variables and given/known data The nth partial sum of the series ∞ Ʃ an n=1 is given Sn = 5-1/n Determine weather the series is convergent or divergent 3. The attempt at a solution Looked in my book on how to do this one. couldn't find anything on it. What i was thinking was find the sum of all n's and finding a pattern and use that as an however it didnt work, so im stuck.