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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

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Best answer

Correct option is (D) 3

S∩T = {-5, -4 ,3}

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