Question 53

Two sets AA and BB are defined as follows:-
$$AA = \left\{x \mid x \in N, x < 5\right\}$$
$$AA = \left\{x \mid x \in N, x2 < 25\right\}$$, n(XX) = number of elements in XX. Choose the CORRECT option.

Solution

AA= {1, 2, 3, 4}; n(AA)= 4

BB= {1, 2, 3, 4}; n(BB)=4

So, AA=BB


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