bantu dong.............

[tex] = \frac{2 \sqrt{6} }{ \sqrt{2} + \sqrt{5} } \times \frac{ \sqrt{2} - \sqrt{5} }{ \sqrt{2} - \sqrt{5} } \\ = \frac{2 \sqrt{12} - 2 \sqrt{30} }{2 - 5} \\ = \frac{2 \sqrt{12} - 2 \sqrt{30} }{ - 3} \\ = \frac{2}{3} \sqrt{30} - \frac{2}{3} \sqrt{12} [/tex]
Jawaban B