X^-3=1/27

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Solution for X^-3=1/27 equation: 


D( X )

X = 0

X = 0

X = 0

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

X^-3 = 1/27 // - 1/27

X^-3-(1/27) = 0

X^-3-1/27 = 0

1*X^-3 = 1/27 // : 1

X^-3 = 1/27

-3 < 0

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

1 = 1/27*X^3 // : 1/27

27 = X^3

X^3 = 27 // ^ 1/3

X = 3

X = 3

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