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How do you differentiate $f (x) = {ln x}^{2} + ln x - x$ $f(x)=lnx^2+lnx-x$ using the sum rule?

1 Answer

Jan 22, 2016

$f'(x)=3/x-1$

Explanation:

Differentiate each term individually to obtain

$f'(x)=2/x+1/x-1$

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