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Solution


Q.

Solution of |3x+2|<1 is
1 [-1,-13]  
2 {-13,-1}  
3 (-1,-13)  
4 None of these  

Ans.

(3)

We have,  

|3x+2|<1⇔-1<3x+2<1⇔-3<3x<-1⇔-1<x<-13