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Let A={1,2,3,4,5}, B={4,5,6,7,8} and C={8,9,10,11,12}, then n[A×(B′∪C′)′]=

Answer» Let A={1,2,3,4,5}, B={4,5,6,7,8} and C={8,9,10,11,12}, then n[A×(BC)]=


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