Having trouble with nCr and nPr?

[Rlow04]

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Permutations and Combinations weren't making sense, but now they do. This site explained it really well:

http://betterexplained.com/articles/easy-permutations-and-combinations/

Hope it helps someone else!

 

[system7]

Permutations and Combinations weren't making sense, but now they do. This site explained it really well:

http://betterexplained.com/articles/easy-permutations-and-combinations/

Hope it helps someone else!

thanks, i'll check it out. I was looking for something like that because i was having some trouble with that too.