Question

$( \sqrt{5 - \sqrt{2) \times \sqrt{5 + \sqrt{2} } } }$
​

Answer 1

CORRECT QUESTION -

$\sqrt{ ( \sqrt{5} - \sqrt{2} ) \times ( \sqrt{5} + \sqrt{2} ) }$

$=> \sqrt{ { ( \sqrt{5} ) } ^ 2 - { ( \sqrt{2} ) } ^ 2 }$

$=> \sqrt{ 5 - 2 }$

$=> \sqrt{3}$