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

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


D( x )

x = 0

x = 0

x = 0

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

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

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

( x-2 )

x-2 = 0 // + 2

x = 2

( x^-1+1/2 )

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

x^-1 = -1/2

-1 < 0

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

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

-2 = x^1

x = -2

x in { 2, -2 }

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