Answer: [tex]=2\sqrt{3}\sqrt[4]{27-4\sqrt{3}}\quad \left(\mathrm{Decimal:\quad }\:7.33224\dots \right)[/tex]
Step-by-step explanation:
[tex]2\sqrt{3\left(\sqrt{27-2\sqrt{12}}\right)}[/tex]
[tex]=2\sqrt{3\sqrt{27-2\sqrt{12}}}[/tex]
[tex]=2\sqrt{3}\sqrt[4]{27-4\sqrt{3}}[/tex]
