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D( m )
m = 0
m = 0
m = 0
m in (-oo:0) U (0:+oo)
8/m-((11/3)*m) = 0
(-11/3)*m+8/m = 0
8*m^-1-11/3*m^1 = 0
(8*m^0-11/3*m^2)/(m^1) = 0 // * m^2
m^1*(8*m^0-11/3*m^2) = 0
m^1
(-11/3)*m^2+8 = 0
(-11/3)*m^2+8 = 0
DELTA = 0^2-(4*8*(-11/3))
DELTA = 352/3
DELTA > 0
m = ((352/3)^(1/2)+0)/(2*(-11/3)) or m = (0-(352/3)^(1/2))/(2*(-11/3))
m = -3/22*(352/3)^(1/2) or m = 3/22*(352/3)^(1/2)
m in { -3/22*(352/3)^(1/2), 3/22*(352/3)^(1/2)}
m in { -3/22*(352/3)^(1/2), 3/22*(352/3)^(1/2) }
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