7) By using the definition of convergence ( limit of partial sums) determine if the following series converges or diverges and if it converges find what it converges to. Be sure to show the first 4 partial sums. 1 1 1 1 1 1 ++++++... 2 6 12 20 30 42 8) Determine if the following sequence converges or diverges and if it converges find what it converges to