Ts Eamcet
Complex Numbers
TS EAMCET 2022 (Online) 20th July Evening Shift
MCQ+1 / -02022
If $z=\frac{-1-i \sqrt{3}}{2}$, then $\sum_{k=1}^{2022}\left(z^k+\frac{1}{z^k}\right)^2=$
Ts Eamcet
TS EAMCET 2022 (Online) 20th July Evening Shift
If $z=\frac{-1-i \sqrt{3}}{2}$, then $\sum_{k=1}^{2022}\left(z^k+\frac{1}{z^k}\right)^2=$