1. Racionliziraj nazivnike danih razlomaka:

     \(\textbf{a)}\)  \(\frac{2}{\sqrt6}\),    \(\textbf{b)}\)  \(\frac{5}{3\sqrt7}\), 

     \(\textbf{c)}\) \(\frac{1}{2\sqrt2}\)     \( \textbf{d}\)  \(\frac{4}{\sqrt18}\)

2. Racionliziraj nazivnike danih razlomaka:

      \(\textbf{a)}\)  \(\frac{27}{\sqrt3}\),     \(\textbf{b)}\) \(\frac{3\sqrt3}{2\sqrt2}\)