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D( x )
(3*p^7*q^3)/((2*p^2*q^2)^3) = 0
(2*p^2*q^2)^3 = 0
(3*p^7*q^3)/((2*p^2*q^2)^3) = 0
(3*p^7*q^3)/((2*p^2*q^2)^3) = 0
3/8*p*q^-3 = 0
x należy do R
(2*p^2*q^2)^3 = 0
(2*p^2*q^2)^3 = 0
8*p^6*q^6 = 0
x należy do R
x belongs to the empty set
((3*p^7*q^3)/((2*p^2*q^2)^3))^-2 = 0
x belongs to the empty set
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