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D( x )
(2-(2*x))^2 = 0
(2-(2*x))^2 = 0
(2-(2*x))^2 = 0
(2-2*x)^2 = 0
2-2*x = 0 // - 2
-2*x = -2 // : -2
x = -2/(-2)
x = 1
x in (-oo:1) U (1:+oo)
6.1 = (x^2)/((2-(2*x))^2) // - (x^2)/((2-(2*x))^2)
6.1-((x^2)/((2-(2*x))^2)) = 0
6.1-((x^2)/((2-2*x)^2)) = 0
(-1*x^2)/((2-2*x)^2)+6.1 = 0
(-1*x^2)/((2-2*x)^2)+(6.1*(2-2*x)^2)/((2-2*x)^2) = 0
6.1*(2-2*x)^2-1*x^2 = 0
23.4*x^2-48.8*x+24.4 = 0
23.4*x^2-48.8*x+24.4 = 0
23.4*x^2-48.8*x+24.4 = 0
DELTA = (-48.8)^2-(4*23.4*24.4)
DELTA = 48.8^2-2283.84
DELTA = 97.6
DELTA > 0
x = ((48.8^2-2283.84)^(1/2)+48.8)/(2*23.4) or x = (48.8-(48.8^2-2283.84)^(1/2))/(2*23.4)
x = 0.02136752*((48.8^2-2283.84)^(1/2)+48.8) or x = 0.02136752*(48.8-(48.8^2-2283.84)^(1/2))
(x-0.02136752*(48.8-(48.8^2-2283.84)^(1/2)))*(x-0.02136752*((48.8^2-2283.84)^(1/2)+48.8)) = 0
((x-0.02136752*(48.8-(48.8^2-2283.84)^(1/2)))*(x-0.02136752*((48.8^2-2283.84)^(1/2)+48.8)))/((2-2*x)^2) = 0
((x-0.02136752*(48.8-(48.8^2-2283.84)^(1/2)))*(x-0.02136752*((48.8^2-2283.84)^(1/2)+48.8)))/((2-2*x)^2) = 0 // * (2-2*x)^2
(x-0.02136752*(48.8-(48.8^2-2283.84)^(1/2)))*(x-0.02136752*((48.8^2-2283.84)^(1/2)+48.8)) = 0
( x-0.02136752*((48.8^2-2283.84)^(1/2)+48.8) )
x-0.02136752*((48.8^2-2283.84)^(1/2)+48.8) = 0 // + -0.02136752*((48.8^2-2283.84)^(1/2)+48.8)
x = -(-0.02136752*((48.8^2-2283.84)^(1/2)+48.8))
x = 0.02136752*((48.8^2-2283.84)^(1/2)+48.8)
( x-0.02136752*(48.8-(48.8^2-2283.84)^(1/2)) )
x-0.02136752*(48.8-(48.8^2-2283.84)^(1/2)) = 0 // + -0.02136752*(48.8-(48.8^2-2283.84)^(1/2))
x = -(-0.02136752*(48.8-(48.8^2-2283.84)^(1/2)))
x = 0.02136752*(48.8-(48.8^2-2283.84)^(1/2))
x in { 0.02136752*((48.8^2-2283.84)^(1/2)+48.8), 0.02136752*(48.8-(48.8^2-2283.84)^(1/2)) }
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