x^(4/3)=81

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Solution for x^(4/3)=81 equation: 


x in (-oo:+oo)

x^(4/3) = 81 // - 81

x^(4/3)-81 = 0

1*x^(4/3) = 81 // : 1

x^(4/3) = 81

x^(4/3) = 81 // ^ 3

x^4 = 531441 // ^ 1/4

abs(x) = 27

x = 27 or x = -27

x in { 27, -27 }

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