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Solve the following question: |
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Answer» It depends on n, For n = 1, the number of ways = 1 = 1! For n = 2, the number of ways = 2 = 2! For n = 3, the number of ways = 7 = 3! + 1 For n = 4, the number of ways = 48 = 2 x 4! ......... Varies when n changes. |
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