Problem

Problem

Let U=whole numbers between 10 and 20 inclusiveU = {\text{whole numbers between 10 and 20 inclusive}} , A=factors of 120A = {\text{factors of 120}} , and B=multiples of 3B = {\text{multiples of 3}} . List the elements of: (a) AA (b) BB (c) A′A' (d) B′B' (e) A∩BA \cap B (f) A∪BA \cup B (g) A′∩BA' \cap B (h) A′∪BA' \cup B (i) A∩B′A \cap B' (j) A∪B′A \cup B' (k) A′∩B′A' \cap B' (l) A′∪B′A' \cup B'

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