If the roots of the equation $lx^2 + nx + n = 0$ are in the ratio $p:q$,then $\sqrt{\frac{p}{q}} + \sqrt{\frac{q}{p}} + \sqrt{\frac{n}{l}} = $

  • A
    $0$
  • B
    $2\sqrt{\frac{n}{l}}$
  • C
    $\frac{n}{l}$
  • D
    None of these

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