Q4. If n(S) represents the number of elements (cardinality) in a set S, what is the formula for the cardinality of the Cartesian product of two sets, A and B, denoted as n(A × B)?Mathematics — NUST Mock By Dogers 2 — Question 4 of 200A. n(A) + n(B)B. n(A) + n(B) - n(A ∩ B)C. n(A) - n(B)D. n(A) × n(B)Practice more Mathematics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →