👤

[tex]Aratati ca \frac{2}{ \sqrt{x3-1} } - \sqrt{3} =1[/tex]

Răspuns :

[tex]\frac{2}{\sqrt3-1}-\sqrt3=1\\ \frac{2(\sqrt3+1)}{(\sqrt3-1)(\sqrt3+1)}-\sqrt3=1\\ \frac{2(\sqrt3+1)}{3-1}-\sqrt3=1\\ \frac{2(\sqrt3+1)}{2}-\sqrt3=1\\ \sqrt3+1-\sqrt3=1\\ 1=1(A)[/tex]