Results 1 to 3 of 3

Math Help - integrating factor?

  1. #1
    Newbie
    Joined
    Aug 2012
    From
    uk
    Posts
    23

    integrating factor?

    i need to find the general solution of the differential equation.

    e^x(y'+y)=1/x

    i need to use the intgrating factor exp(integralp(x)dx). but when i use the equation i am unable to finish the question. can anyboday help?
    Follow Math Help Forum on Facebook and Google+

  2. #2
    Super Member
    Joined
    Jun 2009
    From
    United States
    Posts
    676
    Thanks
    19

    Re: integrating factor?

    What was the integrating factor you used? Remember it needs to be in the form \frac{dy}{dx}+P(x)y=f(x).
    Last edited by adkinsjr; August 18th 2012 at 08:39 AM.
    Follow Math Help Forum on Facebook and Google+

  3. #3
    Newbie
    Joined
    Aug 2012
    From
    uk
    Posts
    23

    Re: integrating factor?

    i divide by e^x. so the equation being dy/dx+(1/e^x)y=1/xe^x.
    P(x)will be 1/e^x.
    Follow Math Help Forum on Facebook and Google+

Similar Math Help Forum Discussions

  1. integrating factor or d.e
    Posted in the Differential Equations Forum
    Replies: 3
    Last Post: June 6th 2010, 10:14 PM
  2. Integrating Factor.
    Posted in the Differential Equations Forum
    Replies: 2
    Last Post: May 27th 2010, 01:28 AM
  3. The Integrating Factor
    Posted in the Differential Equations Forum
    Replies: 2
    Last Post: August 5th 2009, 03:11 AM
  4. Help with Integrating Factor
    Posted in the Differential Equations Forum
    Replies: 7
    Last Post: March 25th 2009, 08:26 AM
  5. integrating factor
    Posted in the Calculus Forum
    Replies: 2
    Last Post: January 25th 2008, 11:11 PM

Search Tags


/mathhelpforum @mathhelpforum