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D( x )
x = 0
x = 0
x = 0
x in (-oo:0) U (0:+oo)
x = (3/x)/2 // - (3/x)/2
x-((3/x)/2) = 0
x+(-3/2)*x^-1 = 0
1*x^1-3/2*x^-1 = 0
(1*x^2-3/2*x^0)/(x^1) = 0 // * x^2
x^1*(1*x^2-3/2*x^0) = 0
x^1
x^2-3/2 = 0
x^2-3/2 = 0
DELTA = 0^2-(1*4*(-3/2))
DELTA = 6
DELTA > 0
x = (6^(1/2)+0)/(1*2) or x = (0-6^(1/2))/(1*2)
x = (6^(1/2))/2 or x = (-6^(1/2))/2
x in { (-6^(1/2))/2, (6^(1/2))/2}
x in { (-6^(1/2))/2, (6^(1/2))/2 }
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