Question

Simplifique as expressões: A) 6!/3! B) 5! 8!/4! 7! C) n!/(n-1)!

Answer 1

A) 6!/3!  =6*5*4*3!/3!=6*5*4=120

B) 5! 8!/4! 7!  =(5*4!*8*7!)/(4! * 7!)=5*8=40


C) n!/(n-1)! =n*(n-1)!/(n-1)! =n

Answer 2

$ola \: vamos \: de \: fatorial$

a) 6!3!=>6*5*4*3! / 3! =>120

b)5! 8! / 4!7!=> (5*4! 8*7! ) / 4!*7!=>40

c) n! / (n -1 )! =>n! (n-1)! / ( n-1)!=>n


espero ter ajudado

☺✌
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