Question: Let S be the universal set, where: S = {1, 2, 3, ..., 18, 19, 20} Let sets A and B be subsets of S,

Let S be the universal set, where: S = {1, 2, 3, ..., 18, 19, 20} Let sets A and B be subsets of S, where: Set A = {1, 3, 4, 5, 6, 9, 10, 12, 13, 16, 17, 20} Set B = {2, 4, 5, 9, 12, 14, 15, 16, 17} Find the following: The number of elements in the set (A U B): n(A UB) = The number of elements in the set (A n B): n(An B) is

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