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Let Z be the set of integers. If A = {x ∈ Z : 2(x +2)(x^2 - 5x + 6) = 1} and B {x ∈ Z : -3 < 2x - 1 < 9}, then the number of subsets of the set A × B, is : 

(1) 212 

(2) 215 

(3) 218 

(4) 210

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Option 2) 215  is correct 

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