Odpowiedź:
a)
[tex]\sqrt{3}(\sqr7 - \sqrt{3}) = 7\sqrt{3} - 3 = -3 + 7\sqrt{3}[/tex]
b) (5-√7)(3+2√7)
[tex](5 - \sqrt{7})(3 + 2\sqrt{7}) = 15 + 10\sqrt{7} - 3\sqrt{7} - 14= 1 + 7\sqrt{7}[/tex]
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Odpowiedź:
a)
[tex]\sqrt{3}(\sqr7 - \sqrt{3}) = 7\sqrt{3} - 3 = -3 + 7\sqrt{3}[/tex]
b) (5-√7)(3+2√7)
[tex](5 - \sqrt{7})(3 + 2\sqrt{7}) = 15 + 10\sqrt{7} - 3\sqrt{7} - 14= 1 + 7\sqrt{7}[/tex]