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MCQ
The Cartesian product A × B is the set of all ordered pairs (a, b) such that:
Unit-3 Sets and Relations
A a ∈ A and b ∈ B
B a ∈ B and b ∈ A
C a, b ∈ A
D a = b
Explanation

A × B = {(a, b) : a ∈ A and b ∈ B}.

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