Partitions Problem 39. Let P be a partition of A, where [P] = 1. Then P = {{-1, 2, 3}}. Problem 40. Let P be a partition of A, where [P] = 2 and {3} P. Then P Problem 41. Let P be a partition of A. where P = 3. Then P ={{-1}, {2}, {3}}. Power Set Problem 42. P) = Problem 43. {1} __ P(E) Problem 44. P(C) = {,{1}, {3}, {1,3}} Page: 5 of 5 Cartesian Product Problem 45. {1,2} x {3,4} = {(1,3), (1,4), (2,3), (2,4)} Problem 46. I{1,2} x {3,4} = Problem 47. {1,2} x {a,b} = {C Problem 48. {a,b} x {1}={____ ___ Problem 49. In set builder notation, D x E = {--:r__1__E)