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D( m )
m = 0
m = 0
m = 0
m in (-oo:0) U (0:+oo)
2*m+(3/2)*m-m-(1/m)-2+5 = 0
2*m+(3/2)*m-m-m^-1-2+5 = 0
5/2*m^1-1*m^-1+3*m^0 = 0
(5/2*m^2+3*m^1-1*m^0)/(m^1) = 0 // * m^2
m^1*(5/2*m^2+3*m^1-1*m^0) = 0
m^1
(5/2)*m^2+3*m-1 = 0
(5/2)*m^2+3*m-1 = 0
DELTA = 3^2-(-1*4*(5/2))
DELTA = 19
DELTA > 0
m = (19^(1/2)-3)/(2*(5/2)) or m = (-19^(1/2)-3)/(2*(5/2))
m = (19^(1/2)-3)/5 or m = (-(19^(1/2)+3))/5
m in { (-(19^(1/2)+3))/5, (19^(1/2)-3)/5}
m in { (-(19^(1/2)+3))/5, (19^(1/2)-3)/5 }
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