(1/x+2)-(1/x)/2

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Solution for (1/x+2)-(1/x)/2 equation: 


D( x )

x = 0

x = 0

x = 0

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

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

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

1/2*x^-1 = -2 // : 1/2

x^-1 = -4

-1 < 0

1/(x^1) = -4 // * x^1

1 = -4*x^1 // : -4

-1/4 = x^1

x = -1/4

x = -1/4

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