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The numbers 1, 2, 3, ….., n are arrange in a random order. The probability that the digits 1, 2, 3, …., k(k< n) appear as neighbors in that order is |
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Answer» The numbers 1, 2, 3, ….., n are arrange in a random order. The probability that the digits 1, 2, 3, …., k(k< n) appear as neighbors in that order is |
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