1.

If\[f(x)=x\ell nx\], then \[f(x)\] attains minimum value at which one of the following points?

A. \[x={{e}^{-2}}\]
B. \[x=e\]
C. \[x={{e}^{-1}}\]
D. \[x=2{{e}^{-1}}\]
Answer» D. \[x=2{{e}^{-1}}\]


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