Question

If $\Delta = \left|\begin{array}{ccc}1&x&x^2\\1&y&y^2\\1&z&z^2\end{array}\right| ,\Delta_1= \left|\begin{array}{ccc}1&1&1\\yz&zx&xy\\x&y&z\end{array}\right| ,then \ prove \ that \Delta + \Delta_1= 0$

Answer 1

dats pretty tough I am not able to understand