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Let n(A) denotes the number of elements in set A. If n(A) =p and n(B) = q, then how many ordered pairs (a, b) are there with a ∈ A and b ∈ B ?
- Ap x q
- Bp + q
- C2 pq
- D4 pq
Correct answer: A
Discussion 1
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p x q
p x q
p x q