Let $z_{1}$ be a fixed point on the circle of radius $1$ centered at the origin in the Argand plane and $z_{1} \neq \pm 1$. Consider an equilateral triangle inscribed in the circle with $z_{1}, z_{2}, z_{3}$ as the vertices. Then, $z_{1} z_{2} z_{3}$ is equal to

  • A
    $z_{1}^{2}$
  • B
    $z_{1}^{3}$
  • C
    $z_{1}^{4}$
  • D
    $z_{1}$

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