Calcule usando a fórmula Cn,p = n!/p!(n-p)!
a) C5,3 =
b) C7,5 =
c) C6,2 =
d) C10,3/C5,3 =
Soluções para a tarefa
Respondido por
44
C5,3 = 5!/3!(5-3)!
= 5*4*3!/3! 2!
= 5*4/2!
= 20/2
= 10
C7,5 = 7!/5!(7-5)!
= 7*6*5!/5! 2!
= 7*6/2!
= 42/2
= 21
C6,2 = 6!/2!(6-2)!
= 6*5*4!/2! 4!
= 6*5/2
= 30
C10,3 = 10!/3!(10-3)!
= 10*9*8*7!/3! 7!
= 10*9*8/3*2*1
= 720/6
= 120
C5,3 = 5!/3!(5-3)!
= 5*4*3!/3! 2!
=20/2
= 10
120/10 = 12
= 5*4*3!/3! 2!
= 5*4/2!
= 20/2
= 10
C7,5 = 7!/5!(7-5)!
= 7*6*5!/5! 2!
= 7*6/2!
= 42/2
= 21
C6,2 = 6!/2!(6-2)!
= 6*5*4!/2! 4!
= 6*5/2
= 30
C10,3 = 10!/3!(10-3)!
= 10*9*8*7!/3! 7!
= 10*9*8/3*2*1
= 720/6
= 120
C5,3 = 5!/3!(5-3)!
= 5*4*3!/3! 2!
=20/2
= 10
120/10 = 12
Perguntas interessantes