2x=11/x

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Solution for 2x=11/x equation: 


D( x )

x = 0

x = 0

x = 0

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

2*x = 11/x // - 11/x

2*x-(11/x) = 0

2*x-11*x^-1 = 0

2*x^1-11*x^-1 = 0

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

x^1*(2*x^2-11*x^0) = 0

x^1

2*x^2-11 = 0

2*x^2-11 = 0

DELTA = 0^2-(-11*2*4)

DELTA = 88

DELTA > 0

x = (88^(1/2)+0)/(2*2) or x = (0-88^(1/2))/(2*2)

x = (1*22^(1/2))/2 or x = (-22^(1/2))/2

x in { (-22^(1/2))/2, (1*22^(1/2))/2} 

x in { (-22^(1/2))/2, (1*22^(1/2))/2 }

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