Odpowiedź :
[tex]Zadanie\\\\1.\\\\7\sqrt{2}=\sqrt{7^2\cdot2}=\sqrt{49\cdot2}=\sqrt{98}\\\\2.\\\\ \sqrt{450}=\sqrt{225\cdot2}=\sqrt{15^2\cdot2}=15\sqrt{2}[/tex]
[tex]Zadanie\\\\1.\\\\7\sqrt{2}=\sqrt{7^2\cdot2}=\sqrt{49\cdot2}=\sqrt{98}\\\\2.\\\\ \sqrt{450}=\sqrt{225\cdot2}=\sqrt{15^2\cdot2}=15\sqrt{2}[/tex]