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MathGroup Archive 2007

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Unevaluated limit

  • To: mathgroup at smc.vnet.net
  • Subject: [mg84505] Unevaluated limit
  • From: "Liverpool" <x at y.z>
  • Date: Mon, 31 Dec 2007 02:57:59 -0500 (EST)

I have to evaluate this limit (I know the answer is 4)
     Limit[2*x^2*Exp[6 x]*(1 - Cos[Exp[-3 x]*Tan[2/x]]), x -> Infinity]

but the output is unevaluated:

     Limit[2 \[ExponentialE]^(6 x) x^2 (1 - Cos[\[ExponentialE]^(-3 x) 
Tan[2/x]]), x -> \[Infinity]]

Is there any way to evaluate it symbolically?

Thanks, Liverpool




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