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D( x )
x^2-(5*x)+6 = 0
x^2-(3*x)+2 = 0
x^2-(5*x)+6 = 0
x^2-(5*x)+6 = 0
x^2-5*x+6 = 0
x^2-5*x+6 = 0
DELTA = (-5)^2-(1*4*6)
DELTA = 1
DELTA > 0
x = (1^(1/2)+5)/(1*2) or x = (5-1^(1/2))/(1*2)
x = 3 or x = 2
x^2-(3*x)+2 = 0
x^2-(3*x)+2 = 0
x^2-3*x+2 = 0
x^2-3*x+2 = 0
DELTA = (-3)^2-(1*2*4)
DELTA = 1
DELTA > 0
x = (1^(1/2)+3)/(1*2) or x = (3-1^(1/2))/(1*2)
x = 2 or x = 1
x in (-oo:1) U (1:2) U (2:3) U (3:+oo)
1/(x^2-(5*x)+6)-(1/(x^2-(3*x)+2)) = 0
1/(x^2-5*x+6)-(x^2-3*x+2)^-1 = 0
1/(x^2-5*x+6)-1/(x^2-3*x+2) = 0
x^2-5*x+6 = 0
x^2-5*x+6 = 0
x^2-5*x+6 = 0
DELTA = (-5)^2-(1*4*6)
DELTA = 1
DELTA > 0
x = (1^(1/2)+5)/(1*2) or x = (5-1^(1/2))/(1*2)
x = 3 or x = 2
(x-2)*(x-3) = 0
x^2-3*x+2 = 0
x^2-3*x+2 = 0
x^2-3*x+2 = 0
DELTA = (-3)^2-(1*2*4)
DELTA = 1
DELTA > 0
x = (1^(1/2)+3)/(1*2) or x = (3-1^(1/2))/(1*2)
x = 2 or x = 1
(x-1)*(x-2) = 0
1/((x-2)*(x-3))-1/((x-1)*(x-2)) = 0
(1*(x-1))/((x-2)*(x-3)*(x-1))+(-1*(x-3))/((x-2)*(x-3)*(x-1)) = 0
1*(x-1)-1*(x-3) = 0
2 = 0
2/((x-2)*(x-3)*(x-1)) = 0
2/((x-2)*(x-3)*(x-1)) = 0 // * (x-2)*(x-3)*(x-1)
2 = 0
x belongs to the empty set
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