Сократите дробь \(\frac{\sqrt{2a}-\sqrt{2b}}{3\sqrt{a}-3\sqrt{b}}.\)
\(\frac{1}{\sqrt{a}-\sqrt{b}}\)
\(\frac{1}{\sqrt{a-b}}\)
\(\frac{1}{3}\)
\(\frac{\sqrt{2}}{3}\)