There are n different symbols in which m symbols are identical (m<n). How many different arrangement can we make with these symbols?
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Problem Comments
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2 Comments
Dan
on 18 Apr 2013
n different symbols but m symbols are identical ?!?!? What the hell
Ben Petschel
on 20 Sep 2016
The description isn't clear.
Could you at least add a non-trivial example?
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