defence exam Agniveer Vayu Group X & XY Mock Test 01/2026 Mathematics Determinants Evaluation of Determinants
If ω is the cube root of unity, then what is the value of
\(\rm\begin{vmatrix} 1 & \omega &\omega^2 \\ \omega & \omega^2 &1 \\ \omega^2& 1 & \omega \end{vmatrix}\)
1
1
2
\(\rm \omega + \omega^2\)
3
0
4
\(\rm 1 \over1+ \omega + \omega^2\)