Question

Помогите решить....Фото во вложении.

Answer 1

$\sqrt{11-6\sqrt{2}}+\sqrt{2}=\sqrt{9-6\sqrt{2}+2}+\sqrt{2}=\\=\sqrt{3^2-2*3*\sqrt{2}+(\sqrt{2})^2}+\sqrt{2}=\sqrt{(3-\sqrt{2})^2}+\sqrt{2}=\\=|3-\sqrt{2}|+\sqrt{2}=3-\sqrt{2}+\sqrt{2}=3$