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anjaligeorge1
- Senior | Next Rank: 100 Posts
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- Joined: Wed Feb 20, 2008 6:23 pm
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1) insuff: consider x= 1 and y= 1
2) insuff: consider x= -2 and y= -1
take it together: still insuff: consider x= -2 and y= -1
answer: E
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