Question

Simplifique as expressões?
a) 6!/5!2!
b) 8!/4!6!
c)2.4!/4!4!

Com resolução, POR FAVOR

Answer 1

a)6! / 5! 2 !
6 . 5! /5 ! . 2 ! = 6 / 2! = 6 / 2 = 3

b)8 ! / 4 ! 6 ! = 8 . 7 . 6! / 4 ! . 6 ! = 56/4 . 3 2 1 = 56 / 24 = 7/3
c) 2 . 4 ! / 4 ! 4! = 2 . / 4 . 3 . 2 . 1 = 2/ 24 = 1/12