Nilai yang paling sederhana dari 2per2akar5kurang akar2

[tex] = \frac{2}{2 \sqrt{5} - \sqrt{2} } \times \frac{2 \sqrt{5} + \sqrt{2} }{2 \sqrt{5} + \sqrt{2} } \\ \\ = \frac{4 \sqrt{5} + 2 \sqrt{2} } {20 - 2} \\ \\ = \frac{4 \sqrt{5} + 2 \sqrt{2} }{18} \\ \\ = \frac{2}{9} \sqrt{5} + \frac{1}{9} \sqrt{2} [/tex]