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D( x )
m^-39 = 0
M^6*n = 0
m^-39 = 0
m^-39 = 0
m^-39 = 0
x naleu017Cy do R
M^6*n = 0
M^6*n = 0
M^6*n = 0
x naleu017Cy do R
x belongs to the empty set
(((M^6*n)^-8)/(m^-39))*n^5 = 0
x belongs to the empty set
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