Mathematica 9 is now available
Services & Resources / Wolfram Forums
-----
 /
MathGroup Archive
2004
*January
*February
*March
*April
*May
*June
*July
*August
*September
*October
*November
*December
*Archive Index
*Ask about this page
*Print this page
*Give us feedback
*Sign up for the Wolfram Insider

MathGroup Archive 2004

[Date Index] [Thread Index] [Author Index]

Search the Archive

Re: Fundamental theorem problem

  • To: mathgroup at smc.vnet.net
  • Subject: [mg49600] Re: Fundamental theorem problem
  • From: "Steve Luttrell" <steve_usenet at _removemefirst_luttrell.org.uk>
  • Date: Sat, 24 Jul 2004 03:47:33 -0400 (EDT)
  • References: <cdqqnb$km6$1@smc.vnet.net>
  • Sender: owner-wri-mathgroup at wolfram.com

This does what you want:

FullSimplify[Assuming[2*x^4 <= Pi, D[Integrate[Sec[t], {t, 1, x^4}], x]]]

Steve Luttrell

"Steven Jonak" <jonakst at gw.kirkwood.k12.mo.us> wrote in message
news:cdqqnb$km6$1 at smc.vnet.net...
> 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!
>
> S Jonak
> "Maintain an even strain."
>



  • Prev by Date: Re: Spacing of Words in Text Graphics Statements
  • Next by Date: Re: Fundamental theorem problem
  • Previous by thread: Re: Fundamental theorem problem
  • Next by thread: Re: Fundamental theorem problem