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Two trivial high order PDEs

  1. Jun 20, 2010 #1
    I should find the general solution of the two following trivial PDEs.

    [tex]
    u=u(x_1,x_2,...,x_n)
    [/tex]

    1)

    [tex]
    \frac{\partial u}{\partial x_1 \partial x_2} = 0
    [/tex]

    2)

    [tex]
    \frac{\partial u}{\partial x_1} - u = 0
    [/tex]
     
  2. jcsd
  3. Jun 20, 2010 #2
    What in particular are you having trouble with?
     
  4. Jun 20, 2010 #3

    Mark44

    Staff: Mentor

    What have you tried? Per forum rules, you need to show some effort at solving the problem.
     
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