Home › CBSE Class 11 › mathematics › Relations & Functions — Cartesian Product, Relations, Domain/Range/Codomain, Functions and their Graphs › If n(A) = p and n(B) = q, then n(A × B) equals:
If n(A) = p and n(B) = q, then n(A × B) equals:
Ap + q
B|p - q|
Cp^q
Dp × q
Answer & Solution
Correct answer: D. p × q
The Cartesian product A × B has pq ordered pairs — for each of the p elements of A you can pair with each of the q elements of B.
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