1=6x^2/x^4+9

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Solution for 1=6x^2/x^4+9 equation: 


D( x )

x^4 = 0

x^4 = 0

x^4 = 0

1*x^4 = 0 // : 1

x^4 = 0

x = 0

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

1 = (6*x^2)/(x^4)+9 // - (6*x^2)/(x^4)+9

1-((6*x^2)/(x^4))-9 = 0

1-6*x^-2-9 = 0

-6*x^-2 = 8 // : -6

x^-2 = -4/3

-2 < 0

1/(x^2) = -4/3 // * x^2

1 = -4/3*x^2 // : -4/3

-3/4 = x^2

x belongs to the empty set

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