Question
Let A = {1, 2, 3, 4}, B = {4, 5, 6}, C = {5, 6}. FindA × (B ∩ C)
(i) B ∩ C = {5, 6}
∴ A × (B ∩ C) = {(1, 5), (1, 6), (2, 5), (2, 6), (3, 5), (3, 6), (4, 5), (4, 6)}
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