defence exam Agniveer Vayu Group X & XY Mock Test 01/2026 Mathematics Determinants Evaluation of Determinants
If p + q + r = a + b + c = 0 then the value of \(\rm \begin{vmatrix}pa&qb&rc\\\ qc&ra&pb\\\ rb&pc&qa\end{vmatrix}\) is
1
0
2
ap + bq + cr
3
1
4
None of these