46. (x-1)/(x+3)>2 ОДЗ: x+3≠0 x≠-3
(x-1)/(x+3)-2>0
(x-1-2x-6)/(x+3)>0
-(x+7)/(x+3)>0 I×(-1)
(x+7)/(x+3)<0<br>-∞____+____-7____-____-3____+____+∞
x∈(-7;-3)
48. 1/(x+2)<3/(x-3) ОДЗ: x+2≠0 x=-2 x-3≠0 x≠3<br>(x-3-3x-6)/((x+2)(x-3))<0<br>-(2x+9)/((x+2)(x-3))<0<br>(2x+9)/((x+2)(x-3))>0
-∞____-____-4,5______+_____-2______-______3______+_____+∞
x∈(-4,5;-2)U(3;+∞).