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) 2^{12 }

(2) 2^{15}

(3) 2^{18}

(4) 2^{10}

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Option 2) 215 is correct

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