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3 years ago

Find the number of permutations in the word CIRCUS.

1 answer:

8 0

If the letters are considered distinct, then the number of permutations is $6!=720$ .

If we count either C as the same character, then we would be double-counting - to correct this, we would simply divided by the number of ways we can choose C from the available characters, or $\dfrac{6!}{2!}=360$ .

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