1003187103

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Project ID: 
1003187103
Accepted: 
1
Clonable: 
0
Easy: 
0
Find the relation that does not hold for any x, yR.
||x||y||>|x+y|
|xy|=|x||y|
|xy|=|x||y|y0 .
|(xy)2|=|xy|2=(xy)2