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Re: Rearrangement of expression

  • To: mathgroup at smc.vnet.net
  • Subject: [mg91803] Re: Rearrangement of expression
  • From: Alexei Boulbitch <Alexei.Boulbitch at iee.lu>
  • Date: Mon, 8 Sep 2008 05:03:49 -0400 (EDT)

Hi,
try this:

Simplify[a/Sqrt[(a^2 + b^2)] /. b -> x*a, a > 0] /. x -> b/a

I hope it helps, Alexei

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