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D( x )
2*x <= 0
(1/2)*x <= 0
2*x <= 0
2*x <= 0
2*x+0 <= 0 // - 0
2*x <= 0 // : 2
x <= 0/2
x <= 0
(1/2)*x <= 0
(1/2)*x <= 0
1/2*x+0 <= 0 // - 0
1/2*x <= 0 // : 1/2
x <= 0/1/2
x <= 0
x in (0:+oo)
ln((1/2)*x) = ln(2*x) // - ln(2*x)
ln((1/2)*x)-ln(2*x) = 0
ln(1*(1/2)*x)-ln(2*x) = 0
ln((1*(1/2)*x)/(2*x)) = 0
ln(((1/2)*x)/(2*x)) = 0
ln(((1/2)*x)/(2*x)) = ln(e^0)
((1/2)*x)/(2*x) = e^0
((1/2)*x)/(2*x)-e^0 = 0
-3/4 = 0
x belongs to the empty set
x belongs to the empty set
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