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2 answers

mmm... right now I can only think of point and line :S

2006-06-06 02:21:03 · answer #1 · answered by kamelåså 7 · 2 0

if denominator equals zero, it is undefined.
natural log of a negative number is undefined.
solution set of 2 equations of straight lines if graphed are parallel, is undefined.
there are many others, but you asked for 3.
at least i think that's what you're looking for, right?

2006-06-13 03:31:52 · answer #2 · answered by slobberknocker_usa 7 · 0 0

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