A = {1, 2}, B = {2, 3}, C = {1, 3}. Find (A ∪ B) ∩ C.
A{3, 4}
B{1, 3}
C{2, 3}
D{1, 2}
Answer & Solution
Correct answer: B. {1, 3}
A union B is {1, 2, 3}; both 1 and 3 from C belong to that union.
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