In Exercises 41-66, let
U = \{a, b, c, d, e, f, g, h\}
A = \{a,g,h\}
B = \{b,g,h\}
C = \{b, c, d, e, f\}.
Find each of the following sets.
41. A \cap B
42. B \cap C
43. A \cup B
44. B \cup C
45. A'
46. B'
47. A \cap B'
48. B \cap C'
49. A \cup C'
50. B \cup C'