2-4√7 ____ √5+2 Tolong di jawab Sesegera mungkin..bantu saya

By Admin ReiPosted on December 6, 2022

2-4√7
____
√5+2
Tolong di jawab Sesegera mungkin..bantu saya

$frac{2 - 4 sqrt{7} }{ sqrt{5} + 2} times frac{ sqrt{5} - 2}{ sqrt{5} - 2 } \ = frac{2 sqrt{5} - 4 - 4 sqrt{35} + 8 sqrt{7} }{5 - 4} \ = 2 sqrt{5} - 4 sqrt{35} + 8 sqrt{7} - 4 \ = 2 : ( sqrt{5} - 2 sqrt{35} + 4 sqrt{7} - 2)$