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Meaning of the word integral

  1. Mar 27, 2012 #1
    I've seen the word used in a context that is not related to calculus, but I never understood what it meant. What does it mean if an equation has an integral solution?

    Here is a context:If X^2 +Y^2 = 2aXY has a positive integral solution, find the value of a. What does it mean to have an integral solution?
     
  2. jcsd
  3. Mar 27, 2012 #2
    It means that the solution is an integer.
     
  4. May 2, 2012 #3
    It means that all the variables involved have their roots in form of integers.
     
  5. May 2, 2012 #4
    As stated above, I believe that the solution is an interger (i.e. you won't have decimal or fractions as an answer).
     
  6. May 2, 2012 #5

    Mark44

    Staff: Mentor

    That's integer, but you are otherwise correct.
     
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