bentuk rasional dari 8/4-3✓2..

= (8/(4 - 3√2)) x (4 + 3√2)/(4 + 3√2)

= 8(4 + 3√2)/ (4 - 3√2)(4 + 3√2)

= 8(4 + 3√2) / (16- 18)

= 8(4 + 3√2) / (-2)

= - 4( 4 + 3√2)

= - 16 - 12 √2