Combinação 9,4
C(n,p) = n! /[(p! (n -p)!]
C(9,4) = 9! / [4!(9 -4)!]
C(9,4) = 9! /4! 5!
C(9,4) = 9.8.7.6.5.4.3.2.1 / (4.3.2.1.)(5.4.3.2.1)
C(9,4) = 9.8.7.6 /4.3.2.1
C(9,4) = 3024/24
C(9,4) = 126 modos distintos
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Combinação 9,4
C(n,p) = n! /[(p! (n -p)!]
C(9,4) = 9! / [4!(9 -4)!]
C(9,4) = 9! /4! 5!
C(9,4) = 9.8.7.6.5.4.3.2.1 / (4.3.2.1.)(5.4.3.2.1)
C(9,4) = 9.8.7.6 /4.3.2.1
C(9,4) = 3024/24
C(9,4) = 126 modos distintos