-4/v+2=-8/4v+8+1

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Solution for -4/v+2=-8/4v+8+1 equation: 


D( v )

v = 0

v = 0

v = 0

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

2-4/v = (-8/4)*v+1+8 // - (-8/4)*v+1+8

2-((-8/4)*v)-4/v-8-1 = 0

2*v-4/v-8-1+2 = 0

2*v^1-4*v^-1-7*v^0 = 0

(2*v^2-7*v^1-4*v^0)/(v^1) = 0 // * v^2

v^1*(2*v^2-7*v^1-4*v^0) = 0

v^1

2*v^2-7*v-4 = 0

2*v^2-7*v-4 = 0

DELTA = (-7)^2-(-4*2*4)

DELTA = 81

DELTA > 0

v = (81^(1/2)+7)/(2*2) or v = (7-81^(1/2))/(2*2)

v = 4 or v = -1/2

v in { -1/2, 4} 

v in { -1/2, 4 }

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