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Solve DE

  1. Sep 5, 2016 #1
    1. The problem statement, all variables and given/known data
    test intelligibility and solve 2x(y+z)dx+(2yz-x2 +y2-z2)dy+(2yz-x2 -y2-z2)=0

    2. Relevant equations


    3. The attempt at a solution
    14249779_1129291530479046_1835775970940401414_o.jpg

    14257616_1129290913812441_4094854567129162068_o.jpg
     
  2. jcsd
  3. Sep 5, 2016 #2
    how to integrate after??
     
  4. Sep 5, 2016 #3

    LCKurtz

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    I think the word you want is "exactness", not "intelligibility".

    I'm just guessing here, but I bet you have the second term wrong. Instead of
    (2yz-x2 +y2-z2)dy
    did you mean
    ##(2yz-x^2-y^2+z^2)dy##?
     
  5. Sep 5, 2016 #4

    SammyS

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    Judging by the workings which you included, you have a typo in your statement of the problem. It's missing dz .

    2x(y+z)dx+(2yz-x2 +y2-z2)dy+(2yz-x2 -y2-z2)dz=0
     
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