Question

MAIS UMA AE DA AQUELA FORÇA ​

Answer 1

Olá!

$a)~~~\dfrac{5!}{3!} =\dfrac{5*4*3!}{3!} =5*4=20$

$b)~~~\dfrac{4!}{2!} =\dfrac{4*3*2!}{2!} =4*3=12$

$c)~~~\dfrac{6!}{4!} =\dfrac{6*5*4!}{4!} =6*5=30$

$d)~~~\dfrac{6!}{5!} =\dfrac{6*5!}{5!} =6\\ \\ \\\\ e)~~~~\dfrac{3!}{2!} =\dfrac{3*2!}{2!} =3\\ \\ \\\\ f)~~~\dfrac{7!}{4!} =\dfrac{7*6*5*4!}{4!} =7*6*5=210\\ \\ \\ \\ g)~~~~~\dfrac{7!}{5!} =\dfrac{7*6*5!}{5!} =7*6=42$

:)