NintendoBoi101
NintendoBoi101 NintendoBoi101
  • 26-04-2018
  • Mathematics
contestada

Help please. I don’t understand this topic

Help please I dont understand this topic class=
Relax

Respuesta :

ktreyb
ktreyb ktreyb
  • 26-04-2018
First option is your answer. 

(2 - 1)! = 1! = 1

(3 - 1)! = 2! = 2 * 1 = 2

(4 - 1)! = 3! = 3 * 2 * 1 = 6

This was all I needed to confirm the choice. 
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