inequalities

This topic has expert replies
Master | Next Rank: 500 Posts
Posts: 129
Joined: Mon Dec 15, 2008 11:43 pm
Location: Hyderabad
Thanked: 2 times

inequalities

by naaga » Mon Feb 16, 2009 6:32 am
. If x&#8800;0, is |x| <1?
(1) x2<1
(2) |x| < 1/x


folks ....plz explain the procedure how to do inequalities.

thanks in advance
Last edited by naaga on Mon Feb 16, 2009 6:37 am, edited 1 time in total.
Source: — Data Sufficiency |

User avatar
Site Admin
Posts: 2567
Joined: Thu Jan 01, 2009 10:05 am
Thanked: 712 times
Followed by:550 members
GMAT Score:770

by DanaJ » Mon Feb 16, 2009 6:36 am
The second inequality is incomplete. However, here is what I get from the first:
If x^2 < 1, then this means that x is between -1 and 1, which in turn leads us to believe that |x| < 1.
So 1 would be sufficient. Correct 2 and then we can figure out the answer.

Master | Next Rank: 500 Posts
Posts: 129
Joined: Mon Dec 15, 2008 11:43 pm
Location: Hyderabad
Thanked: 2 times

Re: inequalities

by naaga » Mon Feb 16, 2009 6:36 am
naaga wrote:. If x&#8800;0, is |x| <1?
(1) x2<1
(2) |x| <


folks ....plz explain the procedure how to do inequalities.

thanks in advance


OA D

Master | Next Rank: 500 Posts
Posts: 129
Joined: Mon Dec 15, 2008 11:43 pm
Location: Hyderabad
Thanked: 2 times

by naaga » Mon Feb 16, 2009 6:38 am
thank you Danaj