Odpowiedź :
[tex]a) \ \sqrt{12} = \sqrt{4\cdot3} = \sqrt{4}\cdot\sqrt{3} = 2\sqrt{3}\\\\b) \ \sqrt{20} = \sqrt{4\cdot5} = \sqrt{4}\cdot\sqrt{5} = 2\sqrt{5}\\\\c) \ \sqrt{45} =\sqrt{9\cdot5} = \sqrt{9}\cdot\sqrt{5} = 3\sqrt{5}\\\\d) \ \sqrt{108} = \sqrt{36\cdot3} = \sqrt{36}\cdot\sqrt{3} = 6\sqrt{3}\\\\e) \ \sqrt[3]{48} = \sqrt[3]{8\cdot6} = \sqrt[3]{8}\cdot\sqrt[3]{6} = 2\sqrt[3]{6}\\\\f) \ \sqrt[3]{128} = \sqrt[3]{64\cdot2} = \sqrt[3]{64}\cdot\sqrt[3]{2} = 4\sqrt[3]{2}[/tex]
Odpowiedź:
[tex]a)\ \ \sqrt{12}=\sqrt{4\cdot3}=\sqrt{4}\cdot\sqrt{3}=2\sqrt{3}\\\\b)\ \ \sqrt{20}=\sqrt{4\cdot5}=\sqrt{4}\cdot\sqrt{5}=2\sqrt{5}\\\\c)\ \ \sqrt{45}=\sqrt{9\cdot5}=\sqrt{9}\cdot\sqrt{5}=3\sqrt{5}\\\\d)\ \ \sqrt{108}=\sqrt{36\cdot3}=\sqrt{36}\cdot\sqrt{3}=6\sqrt{3}\\\\e)\ \ \sqrt[3]{48}=\sqrt[3]{8\cdot6}=\sqrt[3]{8}\cdot\sqrt[3]{6}=2\sqrt[3]{6}\\\\f)\ \ \sqrt[3]{128}=\sqrt[3]{64\cdot2}=\sqrt[3]{64}\cdot\sqrt[3]{2}=4\sqrt[3]{2}[/tex]