SOLUTION: Prove that (5n)!/ 40^n * n! is natural number for every natural number n.

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Question 1182400: Prove that (5n)!/ 40^n * n! is natural number for every natural number n.
Answer by greenestamps(13200) About Me  (Show Source):
You can put this solution on YOUR website!


"(5n)!/40^n*n!" = %285n%29%21%2F40%5En%2An%21

or

"(5n)!/(40^n*n!)" = %285n%29%21%2F%2840%5En%2An%21%29

or possibly something else...?

Re-post, making it clear what the expression is.