If $\alpha, \beta, \gamma$ are the roots of the equation $x^3 + 5x^2 - 7x - 1 = 0$,then find the equation whose roots are $\alpha\beta, \beta\gamma, \gamma\alpha$.

  • A
    $x^3 - 7x^2 + 5x + 1 = 0$
  • B
    $x^3 + 7x^2 - 5x - 1 = 0$
  • C
    $x^3 + 5x^2 + 7x + 1 = 0$
  • D
    None of these

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