Question

5) Calcule o valor de
19!
17! 3!'
A) 57
B) 132
C) 342
D) 1.026
E) 1.050
​

Answer 1

Resposta:

$\frac{19!}{17!3!} = \frac{19 \times 18 \times 17!}{17! \times 3 \times 2} = \frac{19 \times 18}{3 \times 2}$

$= \frac{342}{6} = 57$

Opção A