Réponses

  • Utilisateur Brainly
2014-03-14T13:02:02+01:00
Bonjour,

h(x) = 2x-3/x+1

montrer que h(x) )= 2- 5/x+1

2-5/x+1 = [2(x+1)-5]/x+1 = (2x+2-5)/x+1 = 2x-3/x+1

2x-3/x+1 = 2x-3/x+1