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High school math, see how to do it? I didn't get any structured answers, not even in the search software.
As shown in the figure, g(x) has four zeros, that is, f(x) and kx have four intersections.

When k = 1/e? , the straight line is tangent to lnx- 1

As can be seen from the figure, the value range of k is: (0, 1/e? ) 。

None of them are correct. (Maybe A is a misprint, so choose A)

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