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Chain rule derivate

  1. Mar 18, 2009 #1
    1. The problem statement, all variables and given/known data

    2. Relevant equations

    3. The attempt at a solution

    My dought is about if
    a.gif ,

    dw/dy*dy/dt = (-2)t^(-3)*dy/dt
  2. jcsd
  3. Mar 18, 2009 #2


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    Why is your working under copyright? And why does the solution look nothing like that? And why is there no problem stated?
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