Question 927823: How many different 10 letter words (real or imaginary) can be formed from the following letters T, Y, A, G, N, K, Y, Q, I, U
Answer by KMST(5328) (Show Source):
You can put this solution on YOUR website! Using the items , , , , , , , , , ,
you can make ordered sequences (permutations) of characters.
However, if you cannot distinguish from ,
pairs of sequences where and appear in different order will look the same,
and you will only see half as many sequences:

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