m+9/m=4/7

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Solution for m+9/m=4/7 equation: 


D( m )

m = 0

m = 0

m = 0

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

m+9/m = 4/7 // - 4/7

m+9/m-(4/7) = 0

m+9/m-4/7 = 0

1*m^1+9*m^-1-4/7*m^0 = 0

(1*m^2-4/7*m^1+9*m^0)/(m^1) = 0 // * m^2

m^1*(1*m^2-4/7*m^1+9*m^0) = 0

m^1

m^2+(-4/7)*m+9 = 0

m^2+(-4/7)*m+9 = 0

DELTA = (-4/7)^2-(1*4*9)

DELTA = -1748/49

DELTA < 0

m in { } 

m belongs to the empty set

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