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D( x )
(3*a^3*b^-7*c^3)^2 = 0
2*a^-5*b^4*c^8 = 0
(3*a^3*b^-7*c^3)^2 = 0
(3*a^3*b^-7*c^3)^2 = 0
9*a^6*b^-14*c^6 = 0
x naleu017Cy do R
2*a^-5*b^4*c^8 = 0
2*a^-5*b^4*c^8 = 0
2*a^-5*b^4*c^8 = 0
x naleu017Cy do R
x belongs to the empty set
((2*a^-5*b^4*c^8)^-2)/((3*a^3*b^-7*c^3)^2) = 0
x belongs to the empty set
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