1. Find the first 6 terms of the sequence. Starting with n = 1. (a) an = 1+(-1)" (b) a = 1, and an = an1 + n for n > 2 an+1 2. Find a formula an for the geometric sequence whose first term is a = 3 and = 2. an 3. Find a formula for the general term an for the sequence 1 1 1 1. 3' 5 7 4. Find the limit of the following sequences or show the sequence diverges. 2n (a) lim no n+1 (b) lim (n n (2n (c) lim n (d) lim nxx 2n (e) lim 818 (f) lim - - n 2n +3 4n (-1)n noo n+1 1)2 1)2