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D( x )
3*y = 0
8*a^5*y^3 = 0
3*y = 0
3*y = 0
3*y = 0
x naleu017Cy do R
8*a^5*y^3 = 0
8*a^5*y^3 = 0
8*a^5*y^3 = 0
x naleu017Cy do R
x belongs to the empty set
(2*((15*y)/(8*a^5*y^3))*a)/(3*y) = 0
x belongs to the empty set
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