Ts Eamcet
Complex Numbers
TS EAMCET 2022 (Online) 19th July Evening Shift
MCQ+1 / -02022
If $1, \alpha_1, \alpha_2, \alpha_3, \ldots \alpha_{n-1}$ are $n$th roots of unity then $\sum\limits_{1 \le i < f \le n - 1}^{} {} {a_i}{a_j} = $
Ts Eamcet
TS EAMCET 2022 (Online) 19th July Evening Shift
If $1, \alpha_1, \alpha_2, \alpha_3, \ldots \alpha_{n-1}$ are $n$th roots of unity then $\sum\limits_{1 \le i < f \le n - 1}^{} {} {a_i}{a_j} = $