Question

calcule o valor de 3!*5!/4!*6!

Answer 1

$\frac{3!5!}{4!6!} = \frac{6.5.4.3.2.1}{4!.6!}$

$\frac{3!5!}{4!6!} = \frac{1}{4!} = \frac{1}{4.3.2.1} = \frac{1}{24}$