defence exam Agniveer Vayu Group X & XY Mock Test 01/2026 Mathematics Complex Numbers Roots of Unity
If ω is a complex cube root of unity, then \(\sum\limits_{x = 1}^{10} {\left( {\left( {\omega x + 2} \right)\left( {{\omega ^2}x + 2} \right) - 3} \right)} =\)
1
285
2
945
3
1025
4
705