Вычислите \(\frac{2}{\sqrt3-1}-\frac{1}{\sqrt3+2}+\frac{6}{\sqrt3+3}.\)

• \(\frac{1}{2-\sqrt3}\)
• \(\sqrt3-3\)
• \(2-\sqrt3\)
• \(\sqrt3-2\)
• \(3+\sqrt3\)