x^-3=1/8

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Solution for x^-3=1/8 equation: 


D( x )

x = 0

x = 0

x = 0

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

x^-3 = 1/8 // - 1/8

x^-3-(1/8) = 0

x^-3-1/8 = 0

1*x^-3 = 1/8 // : 1

x^-3 = 1/8

-3 < 0

1/(x^3) = 1/8 // * x^3

1 = 1/8*x^3 // : 1/8

8 = x^3

x^3 = 8 // ^ 1/3

x = 2

x = 2

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