The local maxima of \( f(x)=\ln x-2 x \) is equal to \( \mathrm{P} ...

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The local maxima of \( f(x)=\ln x-2 x \) is equal to
\( \mathrm{P} \)
(1) \( \frac{1}{2} \)
(2) \( -\frac{1}{2} \)
W
(3) 1
(4) 0
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