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D( x )
x = 0
x = 0
x = 0
x in (-oo:0) U (0:+oo)
((1-x)^2)/x = 116.4 // - 116.4
((1-x)^2)/x-116.4 = 0
((1-x)^2)/x+(-116.4*x)/x = 0
(1-x)^2-116.4*x = 0
x^2-118.4*x+1 = 0
x^2-118.4*x+1 = 0
x^2-118.4*x+1 = 0
DELTA = (-118.4)^2-(1*1*4)
DELTA = 118.4^2-4
DELTA = 14014.56
DELTA > 0
x = ((118.4^2-4)^(1/2)+118.4)/(1*2) or x = (118.4-(118.4^2-4)^(1/2))/(1*2)
x = ((118.4^2-4)^(1/2)+118.4)/2 or x = (118.4-(118.4^2-4)^(1/2))/2
(x-((118.4-(118.4^2-4)^(1/2))/2))*(x-(((118.4^2-4)^(1/2)+118.4)/2)) = 0
((x-((118.4-(118.4^2-4)^(1/2))/2))*(x-(((118.4^2-4)^(1/2)+118.4)/2)))/x = 0
((x-((118.4-(118.4^2-4)^(1/2))/2))*(x-(((118.4^2-4)^(1/2)+118.4)/2)))/x = 0 // * x
(x-((118.4-(118.4^2-4)^(1/2))/2))*(x-(((118.4^2-4)^(1/2)+118.4)/2)) = 0
( x-(((118.4^2-4)^(1/2)+118.4)/2) )
x-(((118.4^2-4)^(1/2)+118.4)/2) = 0 // + ((118.4^2-4)^(1/2)+118.4)/2
x = ((118.4^2-4)^(1/2)+118.4)/2
( x-((118.4-(118.4^2-4)^(1/2))/2) )
x-((118.4-(118.4^2-4)^(1/2))/2) = 0 // + (118.4-(118.4^2-4)^(1/2))/2
x = (118.4-(118.4^2-4)^(1/2))/2
x in { ((118.4^2-4)^(1/2)+118.4)/2, (118.4-(118.4^2-4)^(1/2))/2 }
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