1)[latex] \sqrt{9-4 \sqrt{5} } + \sqrt{14 - 6 \sqrt{5} } [/latex] 2)[latex] \sqrt{11-4 \sqrt{7} } + \sqrt{16- 6 \sqrt{7} } [/latex] помогите срочно

[latex]1)\sqrt{9-4\sqrt{5}}+\sqrt{14-6\sqrt{5}}=\sqrt{(\sqrt{5}-2)^2}+\sqrt{2(7-3\sqrt{5})}=[/latex] [latex]=\sqrt{5}-2+\sqrt{9-6\sqrt{5}+5}=\sqrt{5}-2+\sqrt{(3-\sqrt{5})^2}=[/latex] [latex]=\sqrt{5}-2+3-\sqrt{5}=1[/latex] [latex]2)\sqrt{11-4\sqrt{7}}+\sqrt{16-6\sqrt{7}}=\sqrt{(\sqrt{7}-2)^2}+\sqrt{2(8-3\sqrt{7})}=[/latex] [latex]=\sqrt{7}-2+\sqrt{(3-\sqrt{7})^2}=\sqrt{7}-2+3-\sqrt{7}=1[/latex]