1.
If α,β,γ\alpha, \beta, \gamma are the roots of the equation x3+px+q=0x^3 + px + q = 0, then the value of the determinant αβγβγαγαβ\begin{vmatrix} \alpha & \beta & \gamma \\ \beta & \gamma & \alpha \\ \gamma & \alpha & \beta \end{vmatrix} is