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MathGroup Archive 2004

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Re: Fundamental theorem problem

  • To: mathgroup at smc.vnet.net
  • Subject: [mg49579] Re: Fundamental theorem problem
  • From: BobHanlon at aol.com
  • Date: Sat, 24 Jul 2004 03:47:07 -0400 (EDT)
  • Sender: owner-wri-mathgroup at wolfram.com

D[Integrate[Sec[t],{t,1,x^4}, GenerateConditions->False],x]//Simplify

4*x^3*Sec[x^4]


Bob Hanlon

> In a message dated Fri, 23 Jul 2004 10:53:31 +0000 (UTC), <
> jonakst at gw.kirkwood.k12.mo.us> writes:  I input the command: 
> D[Integrate[Sec[t],{t,1,x^4}],x] expecting to get
> 4x^3 Sec[x^4] but instead got a fairly complicated result that doesn't
> resemble what one would expect from the Fundamental Theorem of Calculus.
>  What am I doing wrong? Help!
> 


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