[(2n+3)!(n)!]/[(2n+4)!(n-1)!]

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1 Answer

 

(2n+4)!=(2n+4)[(2n+3)!] so (2n+3)!/(2n+4)!=1/(2n+4).

n!=n[(n-1)!] so n!/(n-1)!=n.

Therefore, the expression simplifies to n/(2n+4).

by Top Rated User (1.2m points)

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