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D( x )
x/(5.75*10^-4) <= 0
x/(5.75*10^-4) <= 0
x/(5.75*10^-4) <= 0
1739.13043478*x+0 <= 0 // - 0
1739.13043478*x <= 0 // : 1739.13043478
x <= 0/1739.13043478
x <= 0
x in (0:+oo)
ln(x/(5.75*10^-4)) = -1.161 // + 1.161
ln(x/(5.75*10^-4))+1.161 = 0
ln(x/(5.75*10^-4))+1.161 = 0 // - 1.161
ln(x/(5.75*10^-4)) = -1.161
ln(x/(5.75*10^-4)) = ln(e^-1.161)
x/(5.75*10^-4) = e^-1.161
x/(5.75*10^-4)-e^-1.161 = 0
1739.13043478*x-e^-1.161 = 0 // + e^-1.161
1739.13043478*x = e^-1.161 // : 1739.13043478
x = (e^-1.161)/1739.13043478
x = 0.000575*e^-1.161
x = 0.000575*e^-1.161
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