HELP!

*To*: mathgroup at smc.vnet.net*Subject*: [mg26750] HELP!*From*: "Hamoud H. Alharbi" <alharbi at acsu.buffalo.edu>*Date*: Fri, 19 Jan 2001 02:14:25 -0500 (EST)*Sender*: owner-wri-mathgroup at wolfram.com

I have this exprision: (-1)^4L Sqrt[(2L+1)^3]/(Sqrt[L/(L+1)] Sqrt[L(L+1)] (2L+1)^(3/2) And I would like to simplify it using Mathematica to get 1/L, where L is positive integer. Simplify and FullSimplify dos not work in this case! Can any one help me? Thanks