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D( x )
(x^2)/2 <= 0
(x^2)/2 <= 0
(x^2)/2 <= 0
1/2*x^2 <= 0
1/2*x^2 <= 0 // : 1/2
x^2 <= 0/1/2
x^2 <= 0
x in <0:0>
x in (-oo:0) U (0:+oo)
3*ln((x^2)/2) = 2 // - 2
3*ln((x^2)/2)-2 = 0
3*ln((x^2)/2)-2 = 0 // + 2
3*ln((x^2)/2) = 2 // : 3
ln((x^2)/2) = 2/3
ln((x^2)/2) = ln(e^(2/3))
(x^2)/2 = e^(2/3)
(x^2)/2-e^(2/3) = 0
1/2*x^2 = e^(2/3) // : 1/2
x^2 = 2*e^(2/3)
x^2 = 2*e^(2/3) // ^ 1/2
abs(x) = 2^(1/2)*e^(1/3)
x = 2^(1/2)*e^(1/3) or x = -(2^(1/2)*e^(1/3))
x in { 2^(1/2)*e^(1/3), -(2^(1/2)*e^(1/3)) }
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