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Math Help - real quick derivative question

  1. #1
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    real quick derivative question

    What's e^-x?
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  2. #2
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    Quote Originally Posted by redraider717 View Post
    What's e^-x?
    y' = -e^-x
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  3. #3
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    Quote Originally Posted by redraider717 View Post
    What's e^-x?
    y=e^u

    y'=e^u u'

    y=e^{-x}

     y'=-e^{-x}
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