engineering recuitment AAI ATC Junior Executive 2025 Mock Test Series Mathematics Complex Numbers Roots of Unity
The value of ω3n + ω3n+1 + ω3n+2, where ω is cube roots of unity, is
1
-1
2
\(\frac{{ - {\rm{\;}}1{\rm{\;}} + {\rm{\;\;i}}\sqrt 3 }}{2}\)
3
1
4
0