Rationalize the denominators of the following:
(i) \(\frac{1}{\sqrt{5}}=\)
(ii) \(\frac{1}{\sqrt{6}-\sqrt{5}}=\)
(iii) \(\frac{1}{\sqrt{9}+\sqrt{3}}=\)
(iv) \(\frac{1}{\sqrt{7}-3}=\)
Answer variants:
\(\frac{\sqrt{7}-\sqrt{6}}{\sqrt{72}-\sqrt{62}}\)
\(\frac{(\sqrt{5}-\sqrt{2})}{(\sqrt{52}+\sqrt{22}})\)
\( \frac{1}{7}\)
\(\frac{\sqrt{7}-2)}{\sqrt{72}-22}\)