If $\omega$ is a complex cube root of unity,then $(x - y)(x\omega - y)(x\omega^2 - y) = $

  • A
    $x^2 + y^2$
  • B
    $x^2 - y^2$
  • C
    $x^3 - y^3$
  • D
    $x^3 + y^3$

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