$\sqrt {(3 + \sqrt 5 )} - \sqrt {(2 + \sqrt 3 )} = $

  • A

    $\sqrt {(5/2)} + \sqrt {(3/2)} $

  • B

    $\sqrt {(5/2)} - \sqrt {(3/2)} $

  • C

    $\sqrt {(5/2)} - \sqrt {(1/2)} $

  • D

    $\sqrt {(3/2)} - \sqrt {(1/2)} $

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