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D( i )
4-(3*i) = 0
4-(3*i) = 0
4-(3*i) = 0
4-3*i = 0
4-3*i = 0 // - 4
-3*i = -4 // : -3
i = -4/(-3)
i = 4/3
i in (-oo:4/3) U (4/3:+oo)
(3-(2*i))/(4-(3*i))+3*(i-8) = 0
(3-2*i)/(4-3*i)+3*(i-8) = 0
(3-2*i)/(4-3*i)+(3*(i-8)*(4-3*i))/(4-3*i) = 0
3*(i-8)*(4-3*i)-2*i+3 = 0
82*i-9*i^2-93 = 0
82*i-9*i^2-93 = 0
82*i-9*i^2-93 = 0
DELTA = 82^2-(-93*(-9)*4)
DELTA = 3376
DELTA > 0
i = (3376^(1/2)-82)/(-9*2) or i = (-3376^(1/2)-82)/(-9*2)
i = (4*211^(1/2)-82)/(-18) or i = (-4*211^(1/2)-82)/(-18)
(i-((4*211^(1/2)-82)/(-18)))*(i-((-4*211^(1/2)-82)/(-18))) = 0
((i-((4*211^(1/2)-82)/(-18)))*(i-((-4*211^(1/2)-82)/(-18))))/(4-3*i) = 0
((i-((4*211^(1/2)-82)/(-18)))*(i-((-4*211^(1/2)-82)/(-18))))/(4-3*i) = 0 // * 4-3*i
(i-((4*211^(1/2)-82)/(-18)))*(i-((-4*211^(1/2)-82)/(-18))) = 0
( i-((-4*211^(1/2)-82)/(-18)) )
i-((-4*211^(1/2)-82)/(-18)) = 0 // + (-4*211^(1/2)-82)/(-18)
i = (-4*211^(1/2)-82)/(-18)
( i-((4*211^(1/2)-82)/(-18)) )
i-((4*211^(1/2)-82)/(-18)) = 0 // + (4*211^(1/2)-82)/(-18)
i = (4*211^(1/2)-82)/(-18)
i in { (-4*211^(1/2)-82)/(-18), (4*211^(1/2)-82)/(-18) }
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