Răspuns :
4 radical din 3 supra 6 - 6 radical din 3 supra 9 + 8 radical din 2 supra 8
4√3/6 - 6√3/9 + 8√2/8
[tex]\it \dfrac{4\sqrt3}{6}-\dfrac{6\sqrt3}{9}+\dfrac{8\sqrt2}{8} =\dfrac{2\sqrt3}{3}-\dfrac{2\sqrt3}{3}+\sqrt2 = \sqrt2[/tex]
4√3/6 - 6√3/9 + 8√2/8
[tex]\it \dfrac{4\sqrt3}{6}-\dfrac{6\sqrt3}{9}+\dfrac{8\sqrt2}{8} =\dfrac{2\sqrt3}{3}-\dfrac{2\sqrt3}{3}+\sqrt2 = \sqrt2[/tex]
4√3 / 6 - 6√3 / 9 + 8√2 / 8 = 2√3 / 3 - 2√3 / 3 + √2 = √2