Results 1 to 3 of 3

Math Help - Help : solve

  1. #1
    Newbie
    Joined
    Oct 2010
    Posts
    6

    Help : solve

    (d^2/dx^2)y + 1/x dy/dx = (12logx)/(x^2)

    Thank you....
    Follow Math Help Forum on Facebook and Google+

  2. #2
    A Plied Mathematician
    Joined
    Jun 2010
    From
    CT, USA
    Posts
    6,318
    Thanks
    4
    Awards
    2
    So you're solving

    y''+y'/x=\dfrac{12\ln(x)}{x^{2}}.

    First step: reduce order by setting u=y'. Then what do you suppose you can do?
    Follow Math Help Forum on Facebook and Google+

  3. #3
    MHF Contributor
    Jester's Avatar
    Joined
    Dec 2008
    From
    Conway AR
    Posts
    2,324
    Thanks
    8
    Notice that  x y'' + y' = \dfrac{d}{dx}\left( x y'\right).
    Follow Math Help Forum on Facebook and Google+

Similar Math Help Forum Discussions

  1. need to solve summation equation to solve sum(x2)
    Posted in the Statistics Forum
    Replies: 2
    Last Post: July 16th 2010, 10:29 PM
  2. Replies: 1
    Last Post: June 9th 2009, 10:37 PM
  3. how do I solve this?
    Posted in the Calculus Forum
    Replies: 5
    Last Post: January 22nd 2009, 06:21 PM
  4. How could i solve?
    Posted in the Algebra Forum
    Replies: 2
    Last Post: January 2nd 2009, 02:18 PM
  5. Solve for x
    Posted in the Trigonometry Forum
    Replies: 3
    Last Post: January 1st 2009, 12:33 PM

Search Tags


/mathhelpforum @mathhelpforum