If the set A has p elements, B has q elements,


If the set A has p elements, B has q elements, then the number of elements in A × B is

(a) p + q

(b) p + q + 1

(c) pq

(d) p2


(c) pq

$n(A \times B)=n(A) \times n(B)$

$=p \times q=p q$

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