4/x+1-2/x+2

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Solution for 4/x+1-2/x+2 equation: 


D( x )

x = 0

x = 0

x = 0

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

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

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

2*x^-1 = -3 // : 2

x^-1 = -3/2

-1 < 0

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

1 = -3/2*x^1 // : -3/2

-2/3 = x^1

x = -2/3

x = -2/3

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