(u/8)-8/u=0

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Solution for (u/8)-8/u=0 equation: 


D( u )

u = 0

u = 0

u = 0

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

u/8-(8/u) = 0

u/8-8*u^-1 = 0

1/8*u^1-8*u^-1 = 0

(1/8*u^2-8*u^0)/(u^1) = 0 // * u^2

u^1*(1/8*u^2-8*u^0) = 0

u^1

(1/8)*u^2-8 = 0

(1/8)*u^2-8 = 0

DELTA = 0^2-(-8*4*(1/8))

DELTA = 4

DELTA > 0

u = (4^(1/2)+0)/(2*(1/8)) or u = (0-4^(1/2))/(2*(1/8))

u = 8 or u = -8

u in { -8, 8} 

u in { -8, 8 }

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