X+2/x+1=0

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Solution for X+2/x+1=0 equation: 


D( x )

x = 0

x = 0

x = 0

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

X+2/x+1 = 0

2*x^-1 = -(X+1) // : 2

x^-1 = (-(X+1))/2

-1 < 0

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

1 = x^1*((-(X+1))/2) // : (-(X+1))/2

-2*(X+1)^-1 = x^1

x = -2*(X+1)^-1

x = -2*(X+1)^-1

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