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D( m )
m = 0
m = 0
m = 0
m in (-oo:0) U (0:+oo)
(6/3)*m+3/m+2+6 = 0
2*m^1+3*m^-1+8*m^0 = 0
(2*m^2+8*m^1+3*m^0)/(m^1) = 0 // * m^2
m^1*(2*m^2+8*m^1+3*m^0) = 0
m^1
2*m^2+8*m+3 = 0
2*m^2+8*m+3 = 0
DELTA = 8^2-(2*3*4)
DELTA = 40
DELTA > 0
m = (40^(1/2)-8)/(2*2) or m = (-40^(1/2)-8)/(2*2)
m = (2*10^(1/2)-8)/4 or m = (-2*10^(1/2)-8)/4
m in { (-2*10^(1/2)-8)/4, (2*10^(1/2)-8)/4}
m in { (-2*10^(1/2)-8)/4, (2*10^(1/2)-8)/4 }
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