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 2 years ago
Type the formula for the number of permutations of n things taken r at a time.
p(n,r)=
 2 years ago
Type the formula for the number of permutations of n things taken r at a time. p(n,r)=

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FoolForMath
 2 years ago
Best ResponseYou've already chosen the best response.1\[ \frac {n!}{(nr)!} \]

ParthKohli
 2 years ago
Best ResponseYou've already chosen the best response.1\( \color{Black}{\Rightarrow P(n,r) = \Large {n! \over (n  r)!} }\) lol had to give the answer out here.

ParthKohli
 2 years ago
Best ResponseYou've already chosen the best response.1Forgive me, Mr. Fool
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