9+(2/u-1)=(-4/u-2)

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Solution for 9+(2/u-1)=(-4/u-2) equation: 


D( u )

u = 0

u = 0

u = 0

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

2/u-1+9 = -4/u-2 // + -4/u-2

2/u-(-4/u)-1+2+9 = 0

2/u+4*u^-1-1+2+9 = 0

6*u^-1 = -10 // : 6

u^-1 = -5/3

-1 < 0

1/(u^1) = -5/3 // * u^1

1 = -5/3*u^1 // : -5/3

-3/5 = u^1

u = -3/5

u = -3/5

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