2/x^3=54

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Solution for 2/x^3=54 equation: 


D( x )

x^3 = 0

x^3 = 0

x^3 = 0

1*x^3 = 0 // : 1

x^3 = 0

x = 0

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

2/(x^3) = 54 // - 54

2/(x^3)-54 = 0

2*x^-3 = 54 // : 2

x^-3 = 27

-3 < 0

1/(x^3) = 27 // * x^3

1 = 27*x^3 // : 27

1/27 = x^3

x^3 = 1/27 // ^ 1/3

x = 1/3

x = 1/3

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