Anonymous
Anonymous asked in Science & MathematicsMathematics · 2 months ago

If n is an integer greater than 1, then (n+1)! / (n-1)! =?

A) -1

B) n

C)n(n+1)

3 Answers

Relevance
  • 2 months ago
    Favourite answer

    (n + 1)! = (n + 1)(n)(n - 1)!

    so the (n - 1)! cancels leaving just (n + 1)(n)

  • Philip
    Lv 6
    2 months ago

    (n+1)!=(n+1)n(n-1)! Divide through by (n-1)! & get (n+1)!/(n-1)!=(n+1)n. Choice C) gives correct answer.

  • 2 months ago

      If n is an integer greater than 1, 

      then (n + 1)! / (n - 1)! 

      = n (n + 1) 

      Answer choice: 

      C) n(n + 1)

Still have questions? Get answers by asking now.