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D( x )
x = 0
24.9/x <= 0
x = 0
x = 0
24.9/x <= 0
24.9/x <= 0
24.9*x^-1 <= 0
24.9*x^-1 <= 0 // : 24.9
x^-1 <= 0/24.9
x^-1 <= 0
1/(x^1) <= 0
x <> 0
1/(x^1) <= 0 // * x^2
(x^2)/(x^1) <= 0
x^1 <= 0
x <= 0
x in (-oo:0)
x in (0:+oo)
ln(24.9/x) = -1.7325 // + 1.7325
ln(24.9/x)+1.7325 = 0
ln(24.9/x)+1.7325 = 0 // - 1.7325
ln(24.9/x) = -1.7325
ln(24.9/x) = ln(e^-1.7325)
24.9/x = e^-1.7325
24.9/x-e^-1.7325 = 0
24.9*x^-1 = e^-1.7325 // : 24.9
x^-1 = 0.04016064*e^-1.7325
-1 < 0
1/(x^1) = 0.04016064*e^-1.7325 // * x^1
1 = 0.04016064*e^-1.7325*x^1 // : 0.04016064*e^-1.7325
24.90000159*e^1.7325 = x^1
x = 24.90000159*e^1.7325
x = 24.90000159*e^1.7325
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