f(x)=ln((x²√4x+1)/(x³+5)³) f'(x)=(2/x)+(2/4x+1)-(9x²/x³+5) thank you
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Originally Posted by johnnyc418 f(x)=ln((x²√(4x+1))/(x³+5)³) f'(x)=(2/x)+(2/(4x+1))-(9x²/x³+5) thank you I've added the brackets you obviously have used - and with these brackets your answer is OK.
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