SOLUTION: Help pls Evaluate: n(n-2)!/(n+1)!

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Question 1072522: Help pls
Evaluate:
n(n-2)!/(n+1)!
Answer by math_helper(2461) About Me  (Show Source):
You can put this solution on YOUR website!
Help pls
Evaluate:
n(n-2)!/(n+1)!
————————————————————

+n%28%28n-2%29%21%29%2F%28n%2B1%29%21+ =
+n%28%28n-2%29%21%29%2F%28%28n%2B1%29%28n%29%28n-1%29%28n-2%29%21%29+
—
The numerator is canceled by the two factors n*(n-2)! in the denominator, leaving:
++1%2F%28%28n%2B1%29%28n-1%29%29+ =
+highlight%28+1%2F%28n%5E2-1%29%29+