Mathematics
Mathematics, 18.10.2019 10:30, caleelwittmann31

Discrete math (macm 101 question)

i need to understand this notation:

permutation general formula : npr = n! / (n - r)! n stands for the total number of things we have, but what about r ?

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Discrete math (macm 101 question)

i need to understand this notation:

permu...

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