Odpowiedź :
[tex] \frac{2}{1 + \sqrt{3} } \times \frac{1 - \sqrt{3} }{1 - \sqrt{3} } = \frac{2 - 2 \sqrt{3} }{1 - 3} = \frac{2(1 - \sqrt{3} )}{ - 2} = - 1 + \sqrt{3} [/tex]
[tex] \frac{2}{1 + \sqrt{3} } \times \frac{1 - \sqrt{3} }{1 - \sqrt{3} } = \frac{2 - 2 \sqrt{3} }{1 - 3} = \frac{2(1 - \sqrt{3} )}{ - 2} = - 1 + \sqrt{3} [/tex]