Question

(root5+ root 3) (5- root 3)​

Answer 1

$\tt{( \sqrt{5} + \sqrt{3} )( \sqrt{5 } - \sqrt{3} )} \\ \\ {\tt{ \text{</p><p>Use Difference of Squares: }}} { {a}^{2} - {b}^{2} = (a + b)(a - b)}</p><p> \\ \\ { \longmapsto \tt{ \sqrt{5}^{2} - { \sqrt{3} }^{2} }} \\ \\ { \longmapsto \tt{ 5 - 3}} \\ \\ { \longmapsto \tt \boxed{ \pink{{ 2}}}}</p><p>$

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