Odpowiedź :
Odpowiedź:
[tex]a)\ \ (\sqrt{3}+1)(2\sqrt{3}-2)=2\cdot3-2\sqrt{3}+2\sqrt{3}-2=6-2=4\\\\b)\ \ (\sqrt{2}+1)(5-2\sqrt{2})=5\sqrt{2}-2\cdot2+5-2\sqrt{2}=3\sqrt{2}-4+5=3\sqrt{2}+1[/tex]
Odpowiedź:
[tex]a)\ \ (\sqrt{3}+1)(2\sqrt{3}-2)=2\cdot3-2\sqrt{3}+2\sqrt{3}-2=6-2=4\\\\b)\ \ (\sqrt{2}+1)(5-2\sqrt{2})=5\sqrt{2}-2\cdot2+5-2\sqrt{2}=3\sqrt{2}-4+5=3\sqrt{2}+1[/tex]