Question: Let A = {1, 2, 5, 7} and B = {1, 5, 9, 12}. Find each set. (a) A B (b) A U B

Let A = {1, 2, 5, 7} and B = {1, 5, 9, 12}. Find each set. 

(a) A ∩ B 

(b) A U B

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