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I Can we remove the arbitrary function?

  1. Oct 29, 2016 #1
    x(dA/dt) + (dx/dt)A + y(dA/dZ) + (dy/dZ) A = 0
    can we remove the arbitrary function A from the equation?
    i.e. x(d/dt) + (dx/dt) + y(d/dZ) + (dy/dZ) = 0
    is it true?
  2. jcsd
  3. Oct 29, 2016 #2

    Simon Bridge

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    What would "x(d/dt)" mean without A to operate on?
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