The value of $\sqrt{12\sqrt{5} + 2\sqrt{55}}$ is

  • A
    $5^{1/2}(\sqrt{11} + 1)$
  • B
    $5^{1/2}(\sqrt{11} - 1)$
  • C
    $5^{1/4}(\sqrt{11} + 1)$
  • D
    $5^{1/4}(\sqrt{11} - 1)$

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