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anjaligeorge1
- Senior | Next Rank: 100 Posts
- Posts: 66
- Joined: Wed Feb 20, 2008 6:23 pm
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st1: xy>0
Let x=-1, y=-2, so xy=2
x/y = -1/-2=1/2
is xy>x/y: YES
Let x=-1, y=-1/2, so xy=(-1)*(-1/2)=1/2
x/y = (-1)/(-1/2) = 2
is xy>x/y: NO
St1 is INSUFF
st2: y<0
INSUFF, no info on x
or we can still use the values in st1
combined: Still INSUFF, use the values we had taken for st1
E
