tolong ya rasionalkan pecahan tersebut makasih

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