4x-(22/x^2)=0

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Solution for 4x-(22/x^2)=0 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)

4*x-(22/(x^2)) = 0

4*x-22*x^-2 = 0

4*x-22*x^-2 = 0

2*x*(2-11*x^-3) = 0

-11*x^-3 = -2 // : -11

x^-3 = 2/11

-3 < 0

1/(x^3) = 2/11 // * x^3

1 = 2/11*x^3 // : 2/11

11/2 = x^3

x^3 = 11/2 // ^ 1/3

x = (11/2)^(1/3)

2*x = 0

2*x = 0 // : 2

x = 0

x in { 0} 

x = (11/2)^(1/3)

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