$\frac{4x^2+5}{(x-2)^4} = \frac{A}{(x-2)} + \frac{B}{(x-2)^2} + \frac{C}{(x-2)^3} + \frac{D}{(x-2)^4}$,then $\sqrt{\frac{A}{C} + \frac{B}{C} + \frac{D}{C}} = $

  • A
    $\frac{\sqrt{29}}{4}$
  • B
    $\frac{\sqrt{23}}{4}$
  • C
    $\frac{5}{4}$
  • D
    $\frac{4}{5}$

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