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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