1. The problem statement, all variables and given/known data I am to find the sum of the series, but what do i do if it is infinite?? no clue. i'm also not sure how to type the symbols so i hope you can understand me:shy: : (Sum) n=0, limit = infinity: 1/2(2/3)^n 2. Relevant equations i 'm not sure. 3. The attempt at a solution i understand how to add up to a limit, but what do i do with the infinity?