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D( X )
X = 0
X = 0
X = 0
X in (-oo:0) U (0:+oo)
(14/X)/100 = 5.84 // - 5.84
(14/X)/100-5.84 = 0
7/50*X^-1 = 5.84 // : 7/50
X^-1 = 41.71428571
-1 < 0
1/(X^1) = 41.71428571 // * X^1
1 = 41.71428571*X^1 // : 41.71428571
0.0239726 = X^1
X = 0.0239726
X = 0.0239726
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