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D( x )
x^2 = 0
x^2 = 0
x^2 = 0
1*x^2 = 0 // : 1
x^2 = 0
x = 0
x in (-oo:0) U (0:+oo)
(8*x)/(x^2)-(11*x)+24 = 0
(8*x)/(x^2)-11*x+24 = 0
8*x^-1-11*x^1+24*x^0 = 0
(24*x^1-11*x^2+8*x^0)/(x^1) = 0 // * x^2
x^1*(24*x^1-11*x^2+8*x^0) = 0
x^1
24*x-11*x^2+8 = 0
24*x-11*x^2+8 = 0
DELTA = 24^2-(-11*4*8)
DELTA = 928
DELTA > 0
x = (928^(1/2)-24)/(-11*2) or x = (-928^(1/2)-24)/(-11*2)
x = (4*58^(1/2)-24)/(-22) or x = (-4*58^(1/2)-24)/(-22)
x in { (4*58^(1/2)-24)/(-22), (-4*58^(1/2)-24)/(-22)}
x in { (4*58^(1/2)-24)/(-22), (-4*58^(1/2)-24)/(-22) }
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