1. The problem statement, all variables and given/known data here is the problem: http://img155.imageshack.us/img155/5175/15399391yy7.png [Broken] how do i simplify the fraction? 2. Relevant equations 3. The attempt at a solution i got the correct answer but i'm not sure how to simplify the fraction correctly, especially with the n+1 with a exponent 4. please help.