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If a, b, c, are distinct real numbers and $$\begin{vmatrix}a &a^2 & a^3 - 1 \\b & b^2 & b^3 - 1\\c & c^2 & c^3 - 1\end{vmatrix} = 0$$, then
$$a + b + c = 0$$
$$a + b + c = 1$$
$$abc = 1$$
$$ab + bc + ca = 0$$
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