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D( x )
((-2*m^6)/3)*w^-1*x^-6 = 0
x = 0
((-2*m^6)/3)*w^-1*x^-6 = 0
((-2*m^6)/3)*w^-1*x^-6 = 0
-2/3*m^6*w^-1*x^-6 = 0 // : -2/3*m^6*w^-1
x^-6 = 0
x naleu017Cy do O
x = 0
x = 0
x in (-oo:0) U (0:+oo)
(((-2*m^6)/3)*w^-1*x^-6)^-4 = 0
81/16*m^-24*w^4*x^24 = 0 // : 81/16*m^-24*w^4
x^24 = 0
x = 0
x in { 0}
x belongs to the empty set
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