Results 1 to 2 of 2

Math Help - Integrating (e^x)(1-x^2)

  1. #1
    Newbie
    Joined
    Sep 2012
    From
    United Kingdom
    Posts
    2

    Integrating (e^x)(1-x^2)

    What is the integration of ex(1-x2) ?
    Follow Math Help Forum on Facebook and Google+

  2. #2
    MHF Contributor Siron's Avatar
    Joined
    Jul 2011
    From
    Norway
    Posts
    1,250
    Thanks
    20

    Re: Integrating (e^x)(1-x^2)

    \int e^x(1-x^2)dx = \int (e^x-e^xx^2)dx = \int e^x dx - \int e^xx^2dx = e^x - \int x^2e^xdx

    To calculate  \int x^2 e^x dx use integration by parts.
    Follow Math Help Forum on Facebook and Google+

Similar Math Help Forum Discussions

  1. need a little help integrating...
    Posted in the Calculus Forum
    Replies: 9
    Last Post: January 31st 2011, 12:10 PM
  2. [SOLVED] Integrating r^2 exp(-2r/a)
    Posted in the Calculus Forum
    Replies: 7
    Last Post: June 28th 2010, 12:44 PM
  3. Integrating (2x^2 -3)/x(x^2 +4
    Posted in the Calculus Forum
    Replies: 2
    Last Post: March 17th 2010, 07:14 AM
  4. Need help integrating
    Posted in the Calculus Forum
    Replies: 3
    Last Post: October 1st 2009, 05:35 AM
  5. help with integrating this...
    Posted in the Calculus Forum
    Replies: 1
    Last Post: October 2nd 2008, 09:27 PM

Search Tags


/mathhelpforum @mathhelpforum