3. Problem 3. For the following sets, determine what the given elements have in common and then write the set-builder notation description of the set. (Note that there are many correct answers, but the best answers are the simplest ones to describe). (a) A = {3,5, 11, 29, 83, 245, 731,...} (b) B = {2,6, 12, 20, 30, 42, 56, . } (c) C-{1,2,3,16 &-} Solution