If the roots of x3−3x+1=0x^3 - 3x + 1 = 0x3−3x+1=0 are α,β,γ\alpha, \beta, \gammaα,β,γ, what is α2+β2+γ2\alpha^2 + \beta^2 + \gamma^2α2+β2+γ2?
3
6
9
0