(a+b) x (a-b)=a²-b²
[tex] {}^{ \sqrt{3} + 1)} {} \frac{1}{ \sqrt{3} - 1 } + {}^{ \sqrt{3} - 1)} \frac{1}{ \sqrt{3} + 1 } = \\ [/tex]
[tex] = \frac{ \sqrt{3} + 1 }{3 - 1} + \frac{ \sqrt{3} - 1 }{3 - 1} = [/tex]
[tex] \frac{ \sqrt{3} + 1 + \sqrt{3} - 1 }{2} = \frac{2 \sqrt{3} }{2} = \sqrt{3} [/tex]
…ᘛ⁐̤ᕐᐷ…ᘛ⁐̤ᕐᐷฅ^•ﻌ•^ฅ
