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Math Help - can someone confirm that this is right

  1. #1
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    can someone confirm that this is right

    f(x)=ln((x√4x+1)/(x+5))

    f'(x)=(2/x)+(2/4x+1)-(9x/x+5)

    thank you
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  2. #2
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    Quote Originally Posted by johnnyc418 View Post
    f(x)=ln((x√(4x+1))/(x+5))

    f'(x)=(2/x)+(2/(4x+1))-(9x/x+5)

    thank you
    I've added the brackets you obviously have used - and with these brackets your answer is OK.
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