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Homework Help: The derivative using logarithmic differentiation. Is this correct?

  1. Oct 21, 2012 #1
    1. The problem statement, all variables and given/known data[/b]

    Find the derivative of the given function.

    2. Relevant equations

    Chain rule and logarithmic differentiation.

    3. The attempt at a solution

    See attached .gif. I was just wondering if this seemed correct? Thanks!

    Attached Files:

  2. jcsd
  3. Oct 21, 2012 #2


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    You made a small mistake going from the 5th to the 6th line. ln(e) = ?
  4. Oct 21, 2012 #3
    ln(e) = 1. I replaced it in the 7th line.
  5. Oct 21, 2012 #4


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    I mean, xln(e) = x(1) = x right?

    [itex]\frac{d}{dx} (x) = 1[/itex]
  6. Oct 21, 2012 #5


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    It looks fine to me as it is.
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