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Let A = {1, 2}, B = {3, 4}. Then A × (B ∩ ∅) is
A{(1, 3), (1, 4), (2, 3), (2, 4)}
B{(1, ∅), (2, ∅)}
CThe empty set ∅
DA × B
Answer & Solution
Correct answer: C. The empty set ∅
B ∩ ∅ = ∅. The Cartesian product of any set with ∅ is ∅.
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