Results 1 to 2 of 2

Math Help - sum of squares

  1. #1
    Newbie
    Joined
    Sep 2010
    Posts
    12

    sum of squares

    For an equation such as below:

    (n1)^2 + (n2)^2 + (n3)^2 = 7^2 = 49

    How would you figure out how many combinations of differents n's there are to satisfy the above equation? Or in general,

    (n1)^2 + (n2)^2 + (n3)^2 = N^2

    Thanks
    Follow Math Help Forum on Facebook and Google+

  2. #2
    MHF Contributor chiph588@'s Avatar
    Joined
    Sep 2008
    From
    Champaign, Illinois
    Posts
    1,163
    See here.
    Follow Math Help Forum on Facebook and Google+

Similar Math Help Forum Discussions

  1. Magic squares of Squares
    Posted in the Math Puzzles Forum
    Replies: 5
    Last Post: September 22nd 2010, 10:58 AM
  2. Squares
    Posted in the Math Puzzles Forum
    Replies: 6
    Last Post: December 2nd 2009, 07:55 PM
  3. Replies: 4
    Last Post: November 13th 2009, 06:12 PM
  4. Sum of two squares
    Posted in the Number Theory Forum
    Replies: 1
    Last Post: December 18th 2008, 12:32 AM
  5. sum of squares
    Posted in the Algebra Forum
    Replies: 1
    Last Post: September 7th 2007, 08:19 AM

Search Tags


/mathhelpforum @mathhelpforum