x^2+1/x^2

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Solution for x^2+1/x^2 equation: 


D( x )

x^2 = 0

x^2 = 0

x^2 = 0

1*x^2 = 0 // : 1

x^2 = 0

x = 0

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

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

x^2+x^-2 = 0

t_1 = x^2

1*t_1^1+1*t_1^-1 = 0

1*t_1^1+1*t_1^-1 = 0

(1*t_1^2+1*t_1^0)/(t_1^1) = 0 // * t_1^2

t_1^1*(1*t_1^2+1*t_1^0) = 0

t_1^1

t_1^2+1 = 0

t_1^2+1 = 0

DELTA = 0^2-(1*1*4)

DELTA = -4

DELTA < 0

t_1 in { } 

x belongs to the empty set

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