$\sqrt {(3 + \sqrt 5 )} - \sqrt {(2 + \sqrt 3 )} = $
$\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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- [KVPY 2021]
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