1x+2/x=3

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Solution for 1x+2/x=3 equation: 


D( x )

x = 0

x = 0

x = 0

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

1*x+2/x = 3 // - 3

1*x+2/x-3 = 0

x+2/x-3 = 0

1*x^1+2*x^-1-3*x^0 = 0

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

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

x^1

x^2-3*x+2 = 0

x^2-3*x+2 = 0

DELTA = (-3)^2-(1*2*4)

DELTA = 1

DELTA > 0

x = (1^(1/2)+3)/(1*2) or x = (3-1^(1/2))/(1*2)

x = 2 or x = 1

x in { 1, 2} 

x in { 1, 2 }

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