If $\alpha$ and $\beta$ are roots of $ax^2 + 2bx + c = 0$,then $\sqrt{\frac{\alpha}{\beta}} + \sqrt{\frac{\beta}{\alpha}}$ is equal to

  • A
    $\frac{2b}{ac}$
  • B
    $\frac{2b}{\sqrt{ac}}$
  • C
    $-\frac{2b}{\sqrt{ac}}$
  • D
    $\frac{-b}{\sqrt{2}}$

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