(X^2-4)^(2/3)

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Solution for (X^2-4)^(2/3) equation: 


X in (-oo:+oo)

(X^2-4)^(2/3) = 0

1*X^2 = 4 // : 1

X^2 = 4

X^2 = 4 // ^ 1/2

abs(X) = 2

X = 2 or X = -2

X in { 2, -2 }

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