Réponses

  • Utilisateur Brainly
2014-10-25T21:42:42+02:00
D) 2 / √2 - √2
= 2 / √2 - (√2 x √2) / √2
= (2 - 2) / √2
= 0

E) √2 / (4√8)
= √2 / 8√2
= 1 / 8

F) (1 - √3)(1 + √3)
= 1² - √3²
= 1 - 3
= - 2