Question

i forgot what ! means so i dont remember hot to solve this...
Simplify
5!/3!

Answer 1

\[n!=\prod_{1 \leq f \leq n}f=1\cdot 2\cdot 3\cdots n\]

Answer 2

! means factorial

n! = n(n-1)(n-2).........1

now you can solve for

5!/3! = 5*4*3*2*1/3*2*1 = 5*4 = 20

Answer 3

\( \color{Black}{\Rightarrow n! = n \times (n -1) \times (n - 2) \times .....\times 1 }\)