Rasionalkan penyebut :[tex] \sf \: \frac{2}{2 \sqrt{ 3} - \sqrt{10} } \times \frac{2 \sqrt{3} + \sqrt{10} }{2 \sqrt{3} + \sqrt{10} } [/tex]
[tex] = \sf \: \frac{4 \sqrt{3} + 2 \sqrt{10} }{4 \sqrt{9} - \sqrt{100} } [/tex]
[tex] = \sf \: \frac{4 \sqrt{3} + 2 \sqrt{10} }{4 .3 - 10} [/tex]
[tex] = \sf \: \frac{4 \sqrt{3} + 2 \sqrt{10} }{12 - 10} [/tex]
[tex] = \sf \: \frac{ \cancel4 {}^{2} \sqrt{3} +\cancel 2 \sqrt{10} }{ \cancel2}[/tex]
[tex] \sf{ \color{red}{ = 2 \sqrt{3}+ \sqrt{10} }}[/tex]