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D( x )
0.003-x = 0
0.003-x = 0
0.003-x = 0
0.003-x = 0 // - 0.003
-x = -0.003 // * -1
x = 0.003
x in (-oo:0.003) U (0.003:+oo)
0.00002483 = (x^2)/(0.003-x) // - (x^2)/(0.003-x)
0.00002483-((x^2)/(0.003-x)) = 0
(-1*x^2)/(0.003-x)+0.00002483 = 0
(-1*x^2)/(0.003-x)+(0.00002483*(0.003-x))/(0.003-x) = 0
0.00002483*(0.003-x)-1*x^2 = 0
0.00000007449-x^2-0.00002483*x = 0
0.00000007449-x^2-0.00002483*x = 0
0.00000007449-x^2-0.00002483*x = 0
DELTA = (-0.00002483)^2-(-1*0.00000007449*4)
DELTA = 0.00000029796
DELTA > 0
x = (0.00000029796^(1/2)+0.00002483)/(-1*2) or x = (0.00002483-0.00000029796^(1/2))/(-1*2)
x = (0.00000029796^(1/2)+0.00002483)/(-2) or x = (0.00002483-0.00000029796^(1/2))/(-2)
(x-((0.00000029796^(1/2)+0.00002483)/(-2)))*(x-((0.00002483-0.00000029796^(1/2))/(-2))) = 0
((x-((0.00000029796^(1/2)+0.00002483)/(-2)))*(x-((0.00002483-0.00000029796^(1/2))/(-2))))/(0.003-x) = 0
((x-((0.00000029796^(1/2)+0.00002483)/(-2)))*(x-((0.00002483-0.00000029796^(1/2))/(-2))))/(0.003-x) = 0 // * 0.003-x
(x-((0.00000029796^(1/2)+0.00002483)/(-2)))*(x-((0.00002483-0.00000029796^(1/2))/(-2))) = 0
( x-((0.00000029796^(1/2)+0.00002483)/(-2)) )
x-((0.00000029796^(1/2)+0.00002483)/(-2)) = 0 // + (0.00000029796^(1/2)+0.00002483)/(-2)
x = (0.00000029796^(1/2)+0.00002483)/(-2)
( x-((0.00002483-0.00000029796^(1/2))/(-2)) )
x-((0.00002483-0.00000029796^(1/2))/(-2)) = 0 // + (0.00002483-0.00000029796^(1/2))/(-2)
x = (0.00002483-0.00000029796^(1/2))/(-2)
x in { (0.00000029796^(1/2)+0.00002483)/(-2), (0.00002483-0.00000029796^(1/2))/(-2) }
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