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D( x )
x = 0
x = 0
x = 0
x in (-oo:0) U (0:+oo)
(3/2)*x+2/x = -1 // + 1
(3/2)*x+2/x+1 = 0
3/2*x^1+2*x^-1+1*x^0 = 0
(3/2*x^2+1*x^1+2*x^0)/(x^1) = 0 // * x^2
x^1*(3/2*x^2+1*x^1+2*x^0) = 0
x^1
(3/2)*x^2+x+2 = 0
(3/2)*x^2+x+2 = 0
DELTA = 1^2-(2*4*(3/2))
DELTA = -11
DELTA < 0
x in { }
x belongs to the empty set
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