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For universal set U, and sets A, B which are subsets of U, the following information is given n(U) = 47 n(A) = 18 n(B) = 11, n(A ∩ B) = 10 Then, the number of elements that are neither in A nor B is__ |
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Answer» For universal set U, and sets A, B which are subsets of U, the following information is given n(U) = 47 n(A) = 18 n(B) = 11, n(A ∩ B) = 10 Then, the number of elements that are neither in A nor B is |
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