2. Write the first five terms of each sequence, and determine if the sequence converges or diverges. If it converges, find the limit. (Show all of your work!) (a) a1 = 1, an+1 = 2an - 1 (b) a1 = 1, an+1 = 1+1 (c) a1 = 1, an+1 = 2an (1 - an)