4x=4-2/x

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Solution for 4x=4-2/x equation: 


D( x )

x = 0

x = 0

x = 0

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

4*x = 4-(2/x) // - 4-(2/x)

4*x+2/x-4 = 0

4*x^1+2*x^-1-4*x^0 = 0

(4*x^2-4*x^1+2*x^0)/(x^1) = 0 // * x^2

x^1*(4*x^2-4*x^1+2*x^0) = 0

x^1

4*x^2-4*x+2 = 0

4*x^2-4*x+2 = 0

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

DELTA = -16

DELTA < 0

x in { } 

x belongs to the empty set

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