A Hasse diagram is a graphical rendering of a partially ordered set displayed via the cover relation of the partially ordered set with an implied upward orientation. A point is drawn for each element of the poset, and line segments are drawn between these points according to the following two rules: 1. If x

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$2elne/lnx=elnx-e$
$2=ln^2x-lnx$
$k=lnx$
$k^2-k-2=0$
$k_1=\frac{1+\sqrt{1+8}}{2}=2$
$k_2=\frac{1-\sqrt{1+8}}{2}=-1$

$lnx_1=2$
$x_1=e^2$

$lnx_2=-1$
$x_2=1/e$

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