ISI2017-MMA-19 [closed]

Question

If $\alpha, \beta$ and $\gamma$ are the roots of $x^3-px+q=0$, then the value of the determinant $\begin{vmatrix} \alpha & \beta & \gamma \\ \beta & \gamma & \alpha \\ \gamma & \alpha & \beta \end{vmatrix}$ is

• A. $p$
• B. $p^2$
• C. $0$
• D. $p^2+6q$