Question

Simplify: 3(n+1)! / 5n!

Answer 1

= 3(n+1)n!/5n! = 3(n+1)/5

Answer 2

How did you get taht answer?

Answer 3

do the n! just cancel out?

Answer 4

yes

Answer 5

because (n+1)!= (n+1)n! , and n!= n(n-1)(n-2)! , ... etc.