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Re: Stacked fractions

  • To: mathgroup at smc.vnet.net
  • Subject: [mg120086] Re: Stacked fractions
  • From: paulvonhippel at yahoo <paulvonhippel at yahoo.com>
  • Date: Fri, 8 Jul 2011 04:51:12 -0400 (EDT)
  • References: <iv46co$fc2$1@smc.vnet.net>

Thanks to two private messages for suggesting the Simplify function.
Simplify does work for the simple problem I posed, but not for the
more complicated problem I was thinking about.

The problem I proposed is solved by Simplify:
 ((A/B) - C)/D // Simplify
 (A - B C)/(B D)

But my real problem doesn't solve as easily,
  (-1 - (2 Gamma[n/2]^2)/Gamma[1/2 (-1 + n)]^2)/n
even if assumptions are imposed:
  FullSimplify[%, {n >= 2, n \[Element] Integers}]

Many thanks for any suggestions.


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