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Math Help - differentiating log functions

  1. #1
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    differentiating log functions

    1. f(x) = log2(5 - 2x)

    loga(x)= 1/x(lna)

    x=(5 - 2x)
    a=2


    =
    (-2)
    =


    help?
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  2. #2
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    Quote Originally Posted by hazecraze View Post
    1. f(x) = log2(5 - 2x)

    loga(x)= 1/x(lna)

    x=(5 - 2x)
    a=2


    =
    (-2)
    =


    help?
    It should look like this \frac{-2}{(5-2x)(ln(2))}

    You have to put the 5-2x in parentheses
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