Circular permutations suppose n distinct objects are


Question: CIRCULAR PERMUTATIONS Suppose n distinct objects are arranged in a circle. Show that the number of (different) circular arrangements of the n objects is (n 1)!. Hint: Consider the arrangement of the five letters A, B, C, D, and E in the accompanying figure. The permutations ABCDE, BCDEA, CDEAB, DEABC, and EABCD are not distinguishable. Generalize this observation to the case of n objects.

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Mathematics: Circular permutations suppose n distinct objects are
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