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 answer
    C
    $1$
  • D
    $4$

Solution

The correct answer is option C

Hence, the correct answer is option: 'C'.

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