11x-66/9/x-6/33

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Solution for 11x-66/9/x-6/33 equation: 


D( x )

x = 0

x = 0

x = 0

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

11*x-((66/9)/x)-(6/33) = 0

11*x+(-22/3)*x^-1-2/11 = 0

11*x^1-22/3*x^-1-2/11*x^0 = 0

(11*x^2-2/11*x^1-22/3*x^0)/(x^1) = 0 // * x^2

x^1*(11*x^2-2/11*x^1-22/3*x^0) = 0

x^1

11*x^2+(-2/11)*x-22/3 = 0

11*x^2+(-2/11)*x-22/3 = 0

DELTA = (-2/11)^2-(4*11*(-22/3))

DELTA = 117140/363

DELTA > 0

x = ((117140/363)^(1/2)-(-2/11))/(2*11) or x = (-(-2/11)-(117140/363)^(1/2))/(2*11)

x = ((117140/363)^(1/2)+2/11)/22 or x = (2/11-(117140/363)^(1/2))/22

x in { (2/11-(117140/363)^(1/2))/22, ((117140/363)^(1/2)+2/11)/22} 

x in { (2/11-(117140/363)^(1/2))/22, ((117140/363)^(1/2)+2/11)/22 }

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