[tex]2 \sqrt{11} \times h^5 \sqrt{3h^{12}} \\ \\ 2 \sqrt{11} h^5 h^6 \sqrt{3} \\ \\ 2 \sqrt{11 \times 3}h^5 h^6 \\ \\ 2 \sqrt{33} h^5 h^6 \\ \\ 2h^5 h^6 \sqrt{33} \\ \\ 2h^{5+6} \sqrt{33} \\ \\ 2h^{11} \sqrt{33} \\ \\ 2 \sqrt{33} h^{11} \\ \\ Answer: 2 \sqrt{33} h^{11} [/tex]
