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D( x )
(((3*x^3)/2)*y^3)/((x^2*y^-1)/2) = 0
(x^2*y^-1)/2 = 0
(((3*x^3)/2)*y^3)/((x^2*y^-1)/2) = 0
(((3*x^3)/2)*y^3)/((x^2*y^-1)/2) = 0
3*x*y^4 = 0 // : 3*y^4
x = 0
(x^2*y^-1)/2 = 0
(x^2*y^-1)/2 = 0
1/2*x^2*y^-1 = 0 // : 1/2*y^-1
x^2 = 0
x = 0
x in (-oo:0) U (0:+oo)
((((3*x^3)/2)*y^3)/((x^2*y^-1)/2))^-2 = 0
1/9*x^-2*y^-8 = 0 // : 1/9*y^-8
x^-2 = 0
x naleu017Cy do O
x belongs to the empty set
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