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If A and B are two sets having 3 elements in common. If n(A) = 5 and n(B) = 4, find n[(A×B) and n(A×B)∩(B×A)]. |
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Answer» If A and B are two sets having 3 elements in common. If n(A) = 5 and n(B) = 4, find n[(A×B) and n(A×B)∩(B×A)]. |
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