Odpowiedź:
a) [tex]\frac{2\sqrt{3}}{\sqrt{5}}*\frac{\sqrt{5}}{\sqrt{5}} = \frac{2\sqrt{15}}{5}[/tex]
b) [tex]\frac{\sqrt{2}}{\sqrt{3}} * \frac{\sqrt{3}}{\sqrt{3}} = \frac{\sqrt{5}}{3}[/tex]
c) [tex]\frac{1}{3\sqrt{7}} * \frac{\sqrt{7}}{\sqrt{7}} = \frac{1\sqrt{7}}{3*7} = \frac{1\sqrt{7}}{21}[/tex]
d) [tex]\frac{\sqrt{5}}{3\sqrt{3}} * \frac{\sqrt{3}}{\sqrt{3}} =\frac{\sqrt{15}}{3*3} = \frac{\sqrt{15}}{9}[/tex]
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Odpowiedź:
a) [tex]\frac{2\sqrt{3}}{\sqrt{5}}*\frac{\sqrt{5}}{\sqrt{5}} = \frac{2\sqrt{15}}{5}[/tex]
b) [tex]\frac{\sqrt{2}}{\sqrt{3}} * \frac{\sqrt{3}}{\sqrt{3}} = \frac{\sqrt{5}}{3}[/tex]
c) [tex]\frac{1}{3\sqrt{7}} * \frac{\sqrt{7}}{\sqrt{7}} = \frac{1\sqrt{7}}{3*7} = \frac{1\sqrt{7}}{21}[/tex]
d) [tex]\frac{\sqrt{5}}{3\sqrt{3}} * \frac{\sqrt{3}}{\sqrt{3}} =\frac{\sqrt{15}}{3*3} = \frac{\sqrt{15}}{9}[/tex]