Thread: Inequality

Solve given that

1/m>-1/2, So, m<-2 is the soln.

Originally Posted by jishnuray

1/m>-1/2, So, m<-2 is the soln.

1/m>-1/2
2>-m
m>-2

shouldnt it be m>-2

If it is m>-2. take m=-1 and see that the original equation then gives 1<1/2 which is vacuosly not true.

Originally Posted by Punch

1/m>-1/2
2>-m

You have multiplied each side of the inequality by 2m. Since you are told that m is negative this will reverse the direction of the inequality: 2< -m.

m>-2

shouldnt it be m>-2