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Math Help - Im having trouble finding the second derivative of this equation

  1. #1
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    Im having trouble finding the second derivative of this equation



    find the second derivative (0)

    I get two different answer, one where i expand the brackets out, and one where i just make 1-q = p
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  2. #2
    Member Ruun's Avatar
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    \left( \frac{1}{f} \right) ' = - \left( \frac{f'}{f^2} \right)

    Let f = 1 - qe^{it}
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  3. #3
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    What reason would you have for setting 1- q= p?
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  4. #4
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    Quote Originally Posted by HallsofIvy View Post
    What reason would you have for setting 1- q= p?
    its a stats module, probabiliity
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