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					Originally Posted by  markem
					 
				 
				I like to ask grad students this question: 
 
What is the shortest distance between two points? 
 
 
 
 
 
 
You see, the average student immediately goes back to some half remembered statement from a 7th grade teacher but the question that they answer is "What is the shortest distance between any two points?" rather than the one I asked.  The answer to the question I asked?   Zero. 
 
It is as important to understand the question as it is to know the answer. 
			
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 I'll have to remember that one for this semester.