bentuk rasional 8/3+√5 (mohon disertai jalan ya kak!)

maaf ya kalo salah, blm jago

[tex]= \frac{8}{3 + \sqrt{5}} \times \frac{3 - \sqrt{5}}{3 - \sqrt{5}} \\ \\ = \frac{8(3 - \sqrt{5})}{9 - 5} \\ \\ = \frac{8(3 - \sqrt{5})}{4} \\ \\ = 2(3 - \sqrt{5}) \\ \\ = 6 - 2\sqrt{5}.[/tex]