Saved Bookmarks
| 1. |
\Delta=\left| \begin{array}{ccc}{1} & {\omega} & {\omega^{2}} \\ {0} & {\omega^{2}} & {1} \\ {\omega^{2}} & {1} & {\omega}\end{array}\right| where omega is a non-real cube root of unity. |
| Answer» | |