Results 1 to 2 of 2

Thread: Gradient

  1. Feb 17th 2009, 10:34 AM #1
    sonia1
    sonia1 is offline
    Junior Member
    Joined
    Oct 2008
    Posts
    57

    Gradient

    Can anyone help please,

    Find the normal line to the level curve of the surface given by
    x^2 + 3y^2 = 7 at the pointM(2,-1)
    Follow Math Help Forum on Facebook and Google+
  2. Feb 17th 2009, 10:43 AM #2
    Plato
    Plato is offline
    MHF Contributor
    Joined
    Aug 2006
    Posts
    20,281
    Thanks
    2217
    Awards
    1
    MHF Donor
    Quote Originally Posted by sonia1 View Post
    Find the normal line to the level curve of the surface given by x^2 + 3y^2 = 7 at the pointM(2,-1)
    The direction vector of the line is \nabla \Phi (2, - 1)\text{ where } \Phi = x^2 + 3y^2 - 7.
    Follow Math Help Forum on Facebook and Google+
« equation of tangent line. | One sided limit »

Similar Math Help Forum Discussions

  1. gradient
    Posted in the Calculus Forum
    Replies: 1
    Last Post: Nov 3rd 2008, 10:15 AM
  2. gradient
    Posted in the Calculus Forum
    Replies: 1
    Last Post: Nov 3rd 2008, 09:20 AM
  3. gradient
    Posted in the Calculus Forum
    Replies: 1
    Last Post: Nov 2nd 2008, 04:43 PM
  4. Gradient of f(x,y)
    Posted in the Calculus Forum
    Replies: 2
    Last Post: Apr 30th 2008, 03:28 AM
  5. gradient
    Posted in the Calculus Forum
    Replies: 2
    Last Post: Aug 5th 2007, 08:46 AM

Search Tags


/mathhelpforum @mathhelpforum