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remnant
 2 years ago
Best ResponseYou've already chosen the best response.0how do i get from the middle term to the last term....not seeing what happened

imron07
 2 years ago
Best ResponseYou've already chosen the best response.1Okay i'll just give the answer:\[\frac{(2n+2)!n!}{2n!(n+1)!}=\frac{(2n+2)(2n+1)!n!}{2n!(n+1)n!}=\frac{(2n+2)(2n+1)(2n)!n!}{2n!(n+1)n!}\]
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