Mathematics: Permutation, solve for n: np3 = 17(np2)

Permutation, solve for n: np3 = 17(np2) - id31722503803, safiyyahrahman8937

Ответ:

alanahjones63

03.01.2022

$nP3=\frac{n!}{(n-3)!}$
$17(nP2)=17(\frac{n!}{(n-2)!})$
Therefore we can write the equation as follows:
$\frac{n!}{(n-3)!}=17(\frac{n!}{(n-2)!})$
Dividing both sides by n!, we get:
$\frac{1}{(n-3)!}=\frac{17}{(n-2)!}$
$\frac{(n-2)!}{(n-3)!}=17$
Therefore n - 2 = 17 and n = 19
The answer is: n = 19

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Ответ:

jessica3981

18.02.2023

Mathematics

Correct sir/miss have a good day x < 3

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Permutation, solve for n: np3 = 17(np2)

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