1.

Let s ={x ∈[-6,3] - {-2 , 2} : |x+3|-1 / |x| - 2 ≥ 0} and T = { x ∈ Z : x2 - 7 |x| + 9 ≤ 0}. Then the number of elements in S∩T  is (A) 7 (B) 5 (C) 4 (D) 3

Answer»

Correct option is (D) 3

S∩T = {-5, -4 ,3}



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