

a.[tex]\frac{\sqrt{3}+\sqrt{5}+\sqrt{6}+\sqrt{10}}{\sqrt{3}+\sqrt{5}}[/tex]
b.[tex]\frac{\sqrt{2}+\sqrt{3}+\sqrt{6}+\sqrt{8}+\sqrt{16}}{\sqrt{2}+\sqrt{3}+\sqrt{4}}[/tex]
b.[tex]\frac{\sqrt{2}+\sqrt{3}+\sqrt{6}+\sqrt{8}+\sqrt{16}}{\sqrt{2}+\sqrt{3}+\sqrt{4}}[/tex]