Question 96
Two sets AA and BB are defined as follows:-
$$AA = \left\{x \mid x \in N, x < 5\right\}$$
$$BB = \left\{x \mid x \in N, x^2 < 25\right\}$$
Which of the following alternatives is correct?
Solution
$$AA = \left\{x \mid x \in N, x < 5\right\}$$
=> $$AA=\left\{1,2,3,4\right\}$$
$$BB = \left\{x \mid x \in N, x^2 < 25\right\}$$
=> $$BB=\left\{1,2,3,4\right\}$$
Thus, both sets contain same elements, hence AA = BB
=> Ans - (A)
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