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If the set S={1, 2, 3, ⋯, 12} is to be partitioned into three sets A, B, C of equal size such that A∪B∪C=S, A∩B=B ∩C=A ∩C=ϕ then the number of ways of partitioning S is : |
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Answer» If the set S={1, 2, 3, ⋯, 12} is to be partitioned into three sets A, B, C of equal size such that A∪B∪C=S, A∩B=B ∩C=A ∩C=ϕ then the number of ways of partitioning S is : |
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