1/x-1-3x+2/x

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


D( x )

x = 0

x = 0

x = 0

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

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

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

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

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

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

x^1

3-3*x^2-x = 0

3-3*x^2-x = 0

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

DELTA = 37

DELTA > 0

x = (37^(1/2)+1)/(-3*2) or x = (1-37^(1/2))/(-3*2)

x = (37^(1/2)+1)/(-6) or x = (1-37^(1/2))/(-6)

x in { (37^(1/2)+1)/(-6), (1-37^(1/2))/(-6)} 

x in { (37^(1/2)+1)/(-6), (1-37^(1/2))/(-6) }

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