u/5-5/u=0

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Solution for u/5-5/u=0 equation: 


D( u )

u = 0

u = 0

u = 0

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

u/5-(5/u) = 0

u/5-5*u^-1 = 0

1/5*u^1-5*u^-1 = 0

(1/5*u^2-5*u^0)/(u^1) = 0 // * u^2

u^1*(1/5*u^2-5*u^0) = 0

u^1

(1/5)*u^2-5 = 0

(1/5)*u^2-5 = 0

DELTA = 0^2-(-5*4*(1/5))

DELTA = 4

DELTA > 0

u = (4^(1/2)+0)/(2*(1/5)) or u = (0-4^(1/2))/(2*(1/5))

u = 5 or u = -5

u in { -5, 5} 

u in { -5, 5 }

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