Q193 / 270 · NDA 2011 (Phase 2) · Mathematics
If $\alpha$ and $\beta$ are the complex cube roots of unity, then what is the value of $(1+\alpha)(1+\beta)\left(1+\alpha^2\right)\left(1+\beta^2\right)$ ?
- A$-1$
- B$0$
- Correct answerC$1$
- D$4$
Solution
The correct answer is option C
Hence, the correct answer is option: 'C'.