If the set A has p elements, B has q elements, then the number of… - Vidyadip

MCQ

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

✓

Answer

pq

Solution:

n(A × B) = n(A) × n(B)

n(A × B) = p × q = pq

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