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D( x )
0.113-x = 0
0.113-x = 0
0.113-x = 0
0.113-x = 0 // - 0.113
-x = -0.113 // * -1
x = 0.113
x in (-oo:0.113) U (0.113:+oo)
(x^2)/(0.113-x) = 1.3*10^-5 // - 1.3*10^-5
(x^2)/(0.113-x)-(1.3*10^-5) = 0
(x^2)/(0.113-x)-1.3*10^-5 = 0
(x^2)/(0.113-x)-0.000013 = 0
(x^2)/(0.113-x)+(-0.000013*(0.113-x))/(0.113-x) = 0
x^2-0.000013*(0.113-x) = 0
x^2+0.000013*x-0.000001469 = 0
x^2+0.000013*x-0.000001469 = 0
x^2+0.000013*x-0.000001469 = 0
DELTA = 0.000013^2-(-0.000001469*1*4)
DELTA = 0.000005876
DELTA > 0
x = (0.000005876^(1/2)-0.000013)/(1*2) or x = (-0.000005876^(1/2)-0.000013)/(1*2)
x = (0.000005876^(1/2)-0.000013)/2 or x = (-(0.000005876^(1/2)+0.000013))/2
(x+(0.000005876^(1/2)+0.000013)/2)*(x-((0.000005876^(1/2)-0.000013)/2)) = 0
((x+(0.000005876^(1/2)+0.000013)/2)*(x-((0.000005876^(1/2)-0.000013)/2)))/(0.113-x) = 0
((x+(0.000005876^(1/2)+0.000013)/2)*(x-((0.000005876^(1/2)-0.000013)/2)))/(0.113-x) = 0 // * 0.113-x
(x+(0.000005876^(1/2)+0.000013)/2)*(x-((0.000005876^(1/2)-0.000013)/2)) = 0
( x+(0.000005876^(1/2)+0.000013)/2 )
x+(0.000005876^(1/2)+0.000013)/2 = 0 // - (0.000005876^(1/2)+0.000013)/2
x = -((0.000005876^(1/2)+0.000013)/2)
( x-((0.000005876^(1/2)-0.000013)/2) )
x-((0.000005876^(1/2)-0.000013)/2) = 0 // + (0.000005876^(1/2)-0.000013)/2
x = (0.000005876^(1/2)-0.000013)/2
x in { -((0.000005876^(1/2)+0.000013)/2), (0.000005876^(1/2)-0.000013)/2 }
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