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D( x )
x = 0
x = 0
x = 0
x in (-oo:0) U (0:+oo)
10/x = (11/3)*x+8 // - (11/3)*x+8
10/x-((11/3)*x)-8 = 0
(-11/3)*x+10/x-8 = 0
10*x^-1-11/3*x^1-8*x^0 = 0
(10*x^0-11/3*x^2-8*x^1)/(x^1) = 0 // * x^2
x^1*(10*x^0-11/3*x^2-8*x^1) = 0
x^1
(-11/3)*x^2-8*x+10 = 0
(-11/3)*x^2-8*x+10 = 0
DELTA = (-8)^2-(4*10*(-11/3))
DELTA = 632/3
DELTA > 0
x = ((632/3)^(1/2)+8)/(2*(-11/3)) or x = (8-(632/3)^(1/2))/(2*(-11/3))
x = -3/22*((632/3)^(1/2)+8) or x = -3/22*(8-(632/3)^(1/2))
x in { -3/22*((632/3)^(1/2)+8), -3/22*(8-(632/3)^(1/2))}
x in { -3/22*((632/3)^(1/2)+8), -3/22*(8-(632/3)^(1/2)) }
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