Question

01. Simplifique as expressões e assinale a opção com as corretas
respostas.​

Answer 1

Explicação passo-a-passo:

I)

$\sf \dfrac{8!}{10!}=\dfrac{8!}{10\cdot9\cdot8!}=\dfrac{1}{10\cdot9}=\dfrac{1}{90}$

II)

$\sf \dfrac{6!}{5!\cdot2!}=\dfrac{6\cdot5!}{5!\cdot2}=\dfrac{6}{2}=3$