\(=\frac{2\sqrt{2}+2}{5\sqrt{2}}=\frac{\sqrt{2}\left(2+\sqrt{2}\right)}{5\sqrt{2}}=\frac{2+\sqrt{2}}{5}\)
\(=\frac{\left(2+\sqrt{3}\right)^2}{\left(2-\sqrt{3}\right)\left(2+\sqrt{3}\right)}=\frac{4+4\sqrt{3}+3}{4-3}=\frac{7+4\sqrt{3}}{1}=7+4\sqrt{3}\)