Question

calcule o valor dos seguintes fatoriais: a...8sobre 6....b....10sobre 9...c...3!+4!...d...0!+1!

Answer 1

$a) \ \frac{8!}{6!}=\frac{8.7.6!}{6!}=8.7=56\\ \\ b) \ \frac{10!}{9!}=\frac{10.9!}{9!}=10\\ \\ c) \ 3!+4!=3.2.1+4.3.2.1=6+24=30\\ \\ d) \ 0!+1!=1+1=2$