Homework SourseSolve 3x2x 1Solution3x2x1 3x2x 1 32x1 2x13 2x2 22xx0 4x2 2x
Solve: |3x+2/x| > 1
Solution
|(3x+2)/x|>1
(3x+2)/x <-1 ,(3x+2)/x>1
3+(2/x)<-1 ,3+(2/x)>1
(2/x)<-1-3 ,(2/x)>1-3
(2/x)<-4 ,(2/x)>-2
2<-4x,x0 ,2>-2x,x0
4x>-2 ,2x<-2 ,x0
x>-2/4 ,x<-2/2 ,x0
x>-1/2 ,x<-1 ,x0
=>x=(-,-1)U(-1/2,0)U(0,)
