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D( x )
3*x^(6^3) = 0
3*x^(6^3) = 0
3*x^(6^3) = 0
3*x^216 = 0 // : 3
x^216 = 0
x = 0
x in (-oo:0) U (0:+oo)
((24*x^9*y^12)/(3*x^(6^3)))*y^12 = 0
8*x^-207*y^24 = 0 // : 8*y^24
x^-207 = 0
x należy do O
x belongs to the empty set
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