Réponses

  • Utilisateur Brainly
2013-09-08T17:42:53+02:00
(3+x)/(x-3) > 1
(x+3)/(x-3)-(x-3)/(x-3)>0
6/(x-3)>0
x>3

3/x < x+2

3/x-(x²+2x)/x<0
(-x²-2x+3)/x<0
(x²+2x-3)/x>0
(x+3)(x-1)/x>0
x>1 ou -3<x<0