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Math Help - Functions of Several variables Q

  1. #1
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    Functions of Several variables Q

    Hey I am stuck on a question, could someone help me out please

    the q is in the link

    Imageshack - matht.jpg

    Best wishes
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  2. #2
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    Ive got Imageshack - dxdy.jpg for the first two questions. Are they correct? I dont know how to do the 3rd and 4th parts. also is the denominator corect?
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  3. #3
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    I can't read that...
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    here is the q again- bigger

    Imageshack - 33487851.jpg
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  5. #5
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    So the function is f(x,y)= \frac{sin(e^x+ y^2)}{\sqrt{x- y}} and you are asked to find the first and second partial derivatives with respect to x and y.

    That is tedious but straight forward. What have you done and where did you hit a snag?
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  6. #6
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    For the first two questions I got - Imageshack - dxdy.jpg
    for the 3rd part I've multiplied the answer to the first part by 2(x-y)^1/2. Then I differatiated to get upto here so far Imageshack - 53381968.jpg. Im not sure if Im correct could you possibly check please?
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