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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