If $x^2-5x-14 > 0$ implies $x$ lies outside $[\alpha, \beta]$,then find the value of $\frac{\alpha}{\beta}$.

  • A
    $\frac{-2}{7}$
  • B
    $\frac{-7}{2}$
  • C
    $\frac{2}{7}$
  • D
    $\frac{7}{2}$

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