Question

qual e o valor A6,4 ?

Answer 1

A6,4 = 6! / (6 - 4)! = 6! / 2! = 6 x 5 x 4 x 3 = 360

Answer 2

Olá Reaabrahao

A(n,p) = n!/(n - p)!

A(6,4) = 6!/(6- 4)!

6!/2! = 6*5*4*3*2!/2! = 120*3 = 360 

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