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D( m )
m = 0
m = 0
m = 0
m in (-oo:0) U (0:+oo)
(1/2)*m+1/m = 1/2 // - 1/2
(1/2)*m+1/m-(1/2) = 0
(1/2)*m+1/m-1/2 = 0
1/2*m^1+1*m^-1-1/2*m^0 = 0
(1/2*m^2-1/2*m^1+1*m^0)/(m^1) = 0 // * m^2
m^1*(1/2*m^2-1/2*m^1+1*m^0) = 0
m^1
(1/2)*m^2+(-1/2)*m+1 = 0
(1/2)*m^2+(-1/2)*m+1 = 0
DELTA = (-1/2)^2-(1*4*(1/2))
DELTA = -7/4
DELTA < 0
m in { }
m belongs to the empty set
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