Question

calcule o fatorial de a) 2! ____________________ B) 3! +4! = ___________________. c) 1! +2! ______________ d)5! ________________ e) 5! - 2! = ______________

Answer 1

a) 2! = 2x1=2

b) 3! + 4!= 3x2x1+4x3x2x1= 6+24=30

c) 5!= 5x4x3x2x1=120

d) 5! - 2!= 5x4x3x2x1-2x1= 118