SOLUTION: how many times bigger is (N + 2)! than n!

Algebra ->  Permutations -> SOLUTION: how many times bigger is (N + 2)! than n!      Log On


   

Question 1098221: how many times bigger is (N + 2)! than n!
Answer by jorel1380(3719) About Me  (Show Source):
You can put this solution on YOUR website!
Let (n+2)!/n!=x
Then:
(n+2)(n+1)n!/n!=x
nē+3n+2=x
(n+2)!/n!=nē+3n+1 is the factor by which (n+2)! is greater than n!
☺☺☺☺