Question #ea92f

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Answer 1 · 2017-11-29T18:56:58

#(n + 1)^2/(3n +1)#

I'm assuming the question is:

#(((n + 1)!)^2(3n)!)/((3n + 1)!(n!)^2)#

We can rewrite as:

#((n + 1)^2(n!)^2(3n)!)/((3n + 1)(3n)!(n!)^2)#

We can now eliminate everything except:

#(n + 1)^2/(3n +1)#

Hopefully this helps!