If the set A has 3 elements and the set B={3,4,5}, then find the number of elements in(AxB).
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Given ÷
set A has 3 elements and the set B={3,4,5}
set B has 3 element
To find ÷
the number of elements in(AxB)
hence ÷
Number of elements of A × B
=Number of Elements of A × Number of element of B
= 3 × 3
= 9
the required answer ÷ 9
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