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Let A={x∈Z:3(x+1)(x2−7x+12)=1} and B={x∈Z:−5<2x−1≤7}, where Z is the set of integers. If the number of relations from A to B is 2k then the value of k is

Answer» Let A={xZ:3(x+1)(x27x+12)=1} and B={xZ:5<2x17}, where Z is the set of integers. If the number of relations from A to B is 2k then the value of k is


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