Hướng dẫn giúp mình bài này

H

hp_09

Xét vế trái
$\sqrt{2+\sqrt{3}}$+$\sqrt{2-\sqrt{3}}$
=$\sqrt{\dfrac{4+2\sqrt{3}}{2}}$+$\sqrt{\dfrac{4-2\sqrt{3}}{2}}$
=$\dfrac{\sqrt{3}+1}{\sqrt{2}}$+$\dfrac{\sqrt{3}-1}{\sqrt{2}}$
=$\sqrt{6}$
=VP
 
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