[latex]\sqrt{3-\sqrt{3+\sqrt{11}}} * \sqrt{3+\sqrt{3+\sqrt{11}}} *\sqrt{6+\sqrt{11}}[/latex]

[latex]\\\sqrt{3-\sqrt{3+\sqrt{11}}} \cdot \sqrt{3+\sqrt{3+\sqrt{11}}} \cdot \sqrt{6+\sqrt{11}}=\\ \sqrt{(3-\sqrt{3+\sqrt{11}})(3+\sqrt{3+\sqrt{11}})(6+\sqrt{11})}=\\ \sqrt{(9-(3+\sqrt{11}))(6+\sqrt{11})}=\\ \sqrt{(6-\sqrt{11})(6+\sqrt{11})}=\\ \sqrt{36-11}=\\ \sqrt{25}=\\5 [/latex]