MCQ
${\left( {\frac{{\sqrt 3 + i}}{2}} \right)^6} + {\left( {\frac{{i - \sqrt 3 }}{2}} \right)^6}$ = . . . ..
- ✓$- 2$
- B$0$
- C$2$
- D$1$
$\left( {\because \,\,\,\omega = \frac{{ - 1 + \sqrt 3 i}}{2},{\omega ^2} = \frac{{ - 1 - \sqrt 3 i}}{2}} \right)$
$ = - (1 + 1) = - 2$.
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