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D( m )
m^2 = 0
m^2 = 0
m^2 = 0
1*m^2 = 0 // : 1
m^2 = 0
m = 0
m in (-oo:0) U (0:+oo)
6-(11*m)-(m/(m^2))+30 = 0
6-11*m-m^-1+30 = 0
36*m^0-11*m^1-1*m^-1 = 0
(36*m^1-11*m^2-1*m^0)/(m^1) = 0 // * m^2
m^1*(36*m^1-11*m^2-1*m^0) = 0
m^1
36*m-11*m^2-1 = 0
36*m-11*m^2-1 = 0
DELTA = 36^2-(-11*(-1)*4)
DELTA = 1252
DELTA > 0
m = (1252^(1/2)-36)/(-11*2) or m = (-1252^(1/2)-36)/(-11*2)
m = (2*313^(1/2)-36)/(-22) or m = (-2*313^(1/2)-36)/(-22)
m in { (2*313^(1/2)-36)/(-22), (-2*313^(1/2)-36)/(-22)}
m in { (2*313^(1/2)-36)/(-22), (-2*313^(1/2)-36)/(-22) }
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