Odpowiedź:
[tex]a) \sqrt{2} * \sqrt{50} = \sqrt{2*50} = \sqrt{100} = 10\\b) \sqrt[3]{2} * \sqrt[3]{2} * \sqrt[3]{2} = \sqrt[3]{2*2*2000} = \sqrt[3]{8000} = 20\\c) \frac{\sqrt{2} }{\sqrt{18} } = \frac{\sqrt{2} }{\sqrt{9*2} } = \frac{\sqrt{2} }{3{\sqrt{2} } } = \frac{1}{3} \\d) \frac{\sqrt[3]{81} }{\sqrt[3]{3} } = \frac{\sqrt[3]{27*3} }{\sqrt[3]{3} } = \frac{3\sqrt[3]{3} }{\sqrt[3]{3} } = 3[/tex]
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Odpowiedź:
[tex]a) \sqrt{2} * \sqrt{50} = \sqrt{2*50} = \sqrt{100} = 10\\b) \sqrt[3]{2} * \sqrt[3]{2} * \sqrt[3]{2} = \sqrt[3]{2*2*2000} = \sqrt[3]{8000} = 20\\c) \frac{\sqrt{2} }{\sqrt{18} } = \frac{\sqrt{2} }{\sqrt{9*2} } = \frac{\sqrt{2} }{3{\sqrt{2} } } = \frac{1}{3} \\d) \frac{\sqrt[3]{81} }{\sqrt[3]{3} } = \frac{\sqrt[3]{27*3} }{\sqrt[3]{3} } = \frac{3\sqrt[3]{3} }{\sqrt[3]{3} } = 3[/tex]