$\sqrt {(3 + \sqrt 5 )} $ is equal to
$\sqrt {(3 + \sqrt 5 )} $ is equal to
- A
$\sqrt 5 + 1$
- B
$\sqrt 3 + \sqrt 2 $
- C
$(\sqrt 5 + 1)/\sqrt 2 $
- D
${1 \over 2}(\sqrt 5 + 1)$
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