Найти значение: [latex] \sqrt{3-2 \sqrt{2} } [/latex]

[latex] \sqrt{3-2\sqrt2} = \sqrt{(1-\sqrt2)^2} =|1-\sqrt2|=\sqrt2-1\\\\P.S.\; \; \; (1-\sqrt2)^2=1-2\cdot 1\cdot \sqrt2+(\sqrt2)^2=1-2\sqrt2+2=3-2\sqrt2[/latex]