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D( x )
2*x^5 = 0
5*((3*w^5)/(2*x^5))*y^-3 = 0
x = 0
2*x^5 = 0
2*x^5 = 0
2*x^5 = 0 // : 2
x^5 = 0
x = 0
5*((3*w^5)/(2*x^5))*y^-3 = 0
5*((3*w^5)/(2*x^5))*y^-3 = 0
15/2*w^5*x^-5*y^-3 = 0 // : 15/2*w^5*y^-3
x^-5 = 0
x należy do O
x = 0
x = 0
x in (-oo:0) U (0:+oo)
(5*((3*w^5)/(2*x^5))*y^-3)^-6*((3*w^4*x^-2*y^-3)/(2^8)) = 0
1/15187500*w^-26*x^28*y^15 = 0 // : 1/15187500*w^-26*y^15
x^28 = 0
x = 0
x in { 0}
x belongs to the empty set
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