Usmerni zlomok \( \frac{2}{\sqrt{3}+1} \).
\( =\frac{2(\sqrt{3}+1)}{2}=\sqrt{3}+1 \)
\( =\frac{2(\sqrt{3}-1)}{2}=\sqrt{3}-1 \)
\( =\frac{2(\sqrt{3}+1)}{3}=\frac{\sqrt{3}+1}{3} \)
\( =\frac{2(\sqrt{3}-1)}{3}=\frac{\sqrt{3}-1}{3} \)