tolong jawab soal no 10 beserta cara ny,, tolong yaa,,

semoga membantu.. maaf klo salah

[tex] \frac{18}{2 \sqrt{3} - \sqrt{6} } [/tex]×[tex] \frac{2 \sqrt{3} + \sqrt{6} }{2 \sqrt{3}+ \sqrt{6} } [/tex]
= [tex] \frac{36 \sqrt{3}-18 \sqrt{6} }{6} [/tex]
= 6√3 - 3√6