y+6/y+8

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Solution for y+6/y+8 equation:


D( y )

y = 0

y = 0

y = 0

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

y+6/y+8 = 0

1*y^1+6*y^-1+8*y^0 = 0

(1*y^2+8*y^1+6*y^0)/(y^1) = 0 // * y^2

y^1*(1*y^2+8*y^1+6*y^0) = 0

y^1

y^2+8*y+6 = 0

y^2+8*y+6 = 0

DELTA = 8^2-(1*4*6)

DELTA = 40

DELTA > 0

y = (40^(1/2)-8)/(1*2) or y = (-40^(1/2)-8)/(1*2)

y = (2*10^(1/2)-8)/2 or y = (-2*10^(1/2)-8)/2

y in { (-2*10^(1/2)-8)/2, (2*10^(1/2)-8)/2}

y in { (-2*10^(1/2)-8)/2, (2*10^(1/2)-8)/2 }

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