Let $\alpha$ and $\beta$ be the two disinct roots of the equation $x^3 + 3x^2 -1 = 0.$ The equation which has $(\alpha \beta )$ as its root is equal to

  • A

    $x^3 -3x -1 =0$

  • B

    $x^3 -3x^2 + 1 = 0$

  • C

    $x^3 + x^2 -3x + 1 = 0$

  • D

    $x^3 + x^2 + 3x -1 = 0$

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