Question

Merasionalkan bilangan

Answer 1

1. 2 / √4 = 2 / 2 = 1
2. √3 / √5 = √3 / √5 x √5 / √5 = √3x5 / 5 = √15 / 5
3. -5 / √5 = -5 / √5 x √5 / √5 = -5√5 / 5
4. 3 / (2 + √2) = 3 / (2 + √2) x (2 - √2) / (2 - √2) = (6 - 3√2) / (4 - 2) = (6 - 3√2) / 2