Log1/3(log2((х-1)/(х-2)))>-1

  • 28-01-2007 13:29
  • Просмотры: 49
Ответы ( 1 )
Kris Berdyugina
+1
28-01-2007 23:00

ОДЗ (x-1)/(x-2)>0 x=1 U x=2 x(-;1) U (2;) log(2)[(x-1)/(x-2)]<3 (x-1)/(x-2)<8 (x-1)/(x-2)-8<0 (x-1-8x+16)/(x-2)<0 (15-7x)/(x-2)<0 x=15/7 x=2 2<x<15/7 x(2;2 1/7)