Question
If $\Delta = \begin{vmatrix}1 & a & a^2 \\ 1 & b & b^2 \\ 1 & c & c^2\end{vmatrix}$ and $\Delta_1 = \begin{vmatrix}1 & 1 & 1 \\ bc & ca & ab \\ a & b & c\end{vmatrix}$, then
If $\Delta = \begin{vmatrix}1 & a & a^2 \\ 1 & b & b^2 \\ 1 & c & c^2\end{vmatrix}$ and $\Delta_1 = \begin{vmatrix}1 & 1 & 1 \\ bc & ca & ab \\ a & b & c\end{vmatrix}$, then