3/7-2/m

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Solution for 3/7-2/m equation: 


D( m )

m = 0

m = 0

m = 0

m in (-oo:0) U (0:+oo)

3/7-(2/m) = 0

3/7-2*m^-1 = 0

-2*m^-1 = -3/7 // : -2

m^-1 = 3/14

-1 < 0

1/(m^1) = 3/14 // * m^1

1 = 3/14*m^1 // : 3/14

14/3 = m^1

m = 14/3

m = 14/3

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