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D( y )
y-2 = 0
y-2 = 0
y-2 = 0
y-2 = 0 // + 2
y = 2
y in (-oo:2) U (2:+oo)
2/(y-2)-(3*y) = (4*y-1)/(y-2) // - (4*y-1)/(y-2)
2/(y-2)-((4*y-1)/(y-2))-(3*y) = 0
2/(y-2)-((4*y-1)/(y-2))-3*y = 0
2/(y-2)+(-1*(4*y-1))/(y-2)-3*y = 0
2/(y-2)+(-1*(4*y-1))/(y-2)+(-3*y*(y-2))/(y-2) = 0
2-1*(4*y-1)-3*y*(y-2) = 0
6*y-3*y^2-4*y+3 = 0
2*y-3*y^2+3 = 0
2*y-3*y^2+3 = 0
2*y-3*y^2+3 = 0
DELTA = 2^2-(-3*3*4)
DELTA = 40
DELTA > 0
y = (40^(1/2)-2)/(-3*2) or y = (-40^(1/2)-2)/(-3*2)
y = (2*10^(1/2)-2)/(-6) or y = (-2*10^(1/2)-2)/(-6)
(y-((2*10^(1/2)-2)/(-6)))*(y-((-2*10^(1/2)-2)/(-6))) = 0
((y-((2*10^(1/2)-2)/(-6)))*(y-((-2*10^(1/2)-2)/(-6))))/(y-2) = 0
((y-((2*10^(1/2)-2)/(-6)))*(y-((-2*10^(1/2)-2)/(-6))))/(y-2) = 0 // * y-2
(y-((2*10^(1/2)-2)/(-6)))*(y-((-2*10^(1/2)-2)/(-6))) = 0
( y-((-2*10^(1/2)-2)/(-6)) )
y-((-2*10^(1/2)-2)/(-6)) = 0 // + (-2*10^(1/2)-2)/(-6)
y = (-2*10^(1/2)-2)/(-6)
( y-((2*10^(1/2)-2)/(-6)) )
y-((2*10^(1/2)-2)/(-6)) = 0 // + (2*10^(1/2)-2)/(-6)
y = (2*10^(1/2)-2)/(-6)
y in { (-2*10^(1/2)-2)/(-6), (2*10^(1/2)-2)/(-6) }
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