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D( x )
a^2*b^3*c^4 = 0
a^-2*b^-3*c^-4 = 0
(a^2*b^3*c^4)^-4 = 0
a^2*b^3*c^4 = 0
a^2*b^3*c^4 = 0
a^2*b^3*c^4 = 0
x naleu017Cy do R
a^-2*b^-3*c^-4 = 0
a^-2*b^-3*c^-4 = 0
a^-2*b^-3*c^-4 = 0
x naleu017Cy do R
(a^2*b^3*c^4)^-4 = 0
(a^2*b^3*c^4)^-4 = 0
a^-8*b^-12*c^-16 = 0
x naleu017Cy do R
x belongs to the empty set
((a^-2*b^-3*c^-4)^-5)/((a^2*b^3*c^4)^-4) = 0
x belongs to the empty set
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