Réponses

  • Utilisateur Brainly
2013-07-24T19:26:06+02:00

(√3-√5)/(√5+√3)

=(√3-√5)/(√3+√5)

=(√3-√5)(√3-√5)/((√3+√5)(√3-√5))

=(√3-√5)²/(3-5)

=(3+5-2√15)/(-2)

=-4+√15