1 / 10
00
Simplify4!3!\frac{4!}{3!}3!4!
20
4
15
Fill in the blank
n!n(n−1)!\frac{n!}{n\left(n-1\right)!}n(n−1)!n!
n
1
n(n-1)!
Simplify 7!5!2!\frac{7!}{5!2!}5!2!7!
21
65
Simplify
n!(n)!\frac{n!}{\left(n\right)!}(n)!n!
-1
n!(n−2)!\frac{n!}{\left(n-2\right)!}(n−2)!n!
n(n-1)
Simplify4!2!\frac{4!}{2!}2!4!
12
8
Simplify4!1!\frac{4!}{1!}1!4!
4!
Simplify4!0!\frac{4!}{0!}0!4!
n!(n−1)!\frac{n!}{\left(n-1\right)!}(n−1)!n!
Simplify7!3!4!\frac{7!}{3!4!}3!4!7!
35
It is done.