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Let A = {1, 2, 3}, B = {3, 4}, C = {4, 5, 6}. The set A × (B ∩ C) is
A{(4, 1), (4, 2), (4, 3)}
B{(1, 4), (2, 4), (3, 4)}
C{(1, 3), (2, 3), (3, 3)}
D{(1, 4), (1, 5), (1, 6)}
Answer & Solution
Correct answer: B. {(1, 4), (2, 4), (3, 4)}
B ∩ C = {4}. So A × {4} = {(1,4), (2,4), (3,4)}.
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