1. The problem statement, all variables and given/known data For (9 + cos (n))/ n^2 2. Relevant equations 3. The attempt at a solution would this be correct? since -1 < cos x < 1 then 8/n^2 < (9 + cos (n))/ n^2 < 10/n^2? So use p-series from there? Therefore it converges Am I right?