Akar 3 - 2/ akar 3 + 2

[tex] \frac{ \sqrt{3}-2 }{ \sqrt{3}+2 } = \frac{ \sqrt{3}-2 }{ \sqrt{3}+2 } . \frac{ \sqrt{3}-2 }{ \sqrt{3}-2 } = \frac{ 7-4\sqrt{3} }{-1} = 4\sqrt{3}-7[/tex]