Question

Jika 0 < a < b dan a^2 + b^2 = 6ab

Answer 1

A² + b² = 6ab
(a + b)² - 2ab = 6ab
(a + b)² = 8ab
a + b = √8ab

(a - b)² = a² + b² - 2ab
= 6ab - 2ab
= 4ab
a - b = √4ab

(a + b) / (a - b) = √(8ab/4ab)
= √2