Answer:
The number of ways to arrange distinct objects along a fixed (i.e., cannot be picked up out of the plane and turned over) circle is. The number is. instead of the usual factorial.
Step-by-step explanation:
The number of ways to arrange distinct objects along a fixed (i.e., cannot be picked up out of the plane and turned over) circle is. The number is. instead of the usual factorial. since all cyclic permutations of objects are equivalent because the circle can be rotated.
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