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D( m )
m = 0
m = 0
m = 0
m in (-oo:0) U (0:+oo)
12.3/m = 73/100 // - 73/100
12.3/m-(73/100) = 0
12.3/m-73/100 = 0
12.3*m^-1 = 73/100 // : 12.3
m^-1 = 0.05934959
-1 < 0
1/(m^1) = 0.05934959 // * m^1
1 = 0.05934959*m^1 // : 0.05934959
16.84931606 = m^1
m = 16.84931606
m = 16.84931606
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