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Partial Derivates

  1. Oct 23, 2007 #1
    1. The problem statement, all variables and given/known data

    If f(u, v, w) is differentiable and u=x-y, v=y-z, and w=z-x, show that


    2. Relevant equations

    I am completely lost.:cry:

    3. The attempt at a solution

    I am completely lost. :cry:
  2. jcsd
  3. Oct 23, 2007 #2


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    Chain rule for partial derivatives. E.g. (df/dx)=(df/du)(du/dx)+(df/dv)(dv/dx)+(df/dw)(dw/dx) (all derivatives partial).
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