[tex] - {}^{ \sqrt{2} )} \frac{2 \sqrt{3} }{ \sqrt{2} } = - \frac{2 \sqrt{6} }{2} = - \sqrt{6} \\ {}^{ \sqrt{5}) } \frac{10}{2 \sqrt{5} } = \frac{10 \sqrt{5} }{2 \times 5} = \sqrt{5} [/tex]
[tex] {}^{ \sqrt{2} )} \frac{ - 4 \sqrt{6} }{3 \sqrt{2} } = \frac{ - 4 \sqrt{12} }{3 \times 2} = - \frac{ 2 \sqrt{12} }{3} [/tex]
[tex] {}^{ \sqrt{15}) } \frac{15}{2 \sqrt{15} } = \frac{15 \sqrt{15} }{2 \times 15} = \frac{ \sqrt{15} }{2} [/tex]
