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Partial differentiation

  1. Feb 4, 2009 #1
    given that z=[x^2 tan^-1(y/x)]-[y^2 tan^-1(x/y)].find value of [z][xy].
    where [z][xy] stand for partial derivative w.r.ty(partial derivative of z w.r.tx)
  2. jcsd
  3. Feb 4, 2009 #2


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    That's not really a question, is it? Just start taking the derivatives. Use the product and chain rules. You can make life a little easier by noticing the two terms are related by an interchange of x<->y. So you could just do one and use that to figure out what the other one is.
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