v+4/v-4=5-v/v-2

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Solution for v+4/v-4=5-v/v-2 equation: 


D( v )

v = 0

v = 0

v = 0

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

v+4/v-4 = 5-(v/v)-2 // - 5-(v/v)-2

v+4/v+v/v-5-4+2 = 0

1*v^1+4*v^-1-6*v^0 = 0

(1*v^2-6*v^1+4*v^0)/(v^1) = 0 // * v^2

v^1*(1*v^2-6*v^1+4*v^0) = 0

v^1

v^2-6*v+4 = 0

v^2-6*v+4 = 0

DELTA = (-6)^2-(1*4*4)

DELTA = 20

DELTA > 0

v = (20^(1/2)+6)/(1*2) or v = (6-20^(1/2))/(1*2)

v = (2*5^(1/2)+6)/2 or v = (6-2*5^(1/2))/2

v in { (6-2*5^(1/2))/2, (2*5^(1/2)+6)/2} 

v in { (6-2*5^(1/2))/2, (2*5^(1/2)+6)/2 }

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