SOLUTION: Simplify: (n+1)!/(n-1)! I am really stuck on this problem and I just really need help with this.

Algebra ->  Numeric Fractions Calculators, Lesson and Practice -> SOLUTION: Simplify: (n+1)!/(n-1)! I am really stuck on this problem and I just really need help with this.      Log On


   

Question 422393: Simplify: (n+1)!/(n-1)!

I am really stuck on this problem and I just really need help with this.
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!


Hi

Simplify: 

(n+1!/(n-1)!  = (n+1)*n*(n-1)(n-2).../(n-1)*(n-2)... = (n+1)n OR n(n+1)

Whenever doing division problems with factorials,always look for the

results of cancelation of terms in the numerator by those in the denominator.