I was watching this - http://www.youtube.com/watch?v=2Xraa...ailpage#t=259s - and got confused when he said, "level surface."
What does he mean by that?
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What is a level surface in calculus? watch
- Thread Starter
- 30-11-2011 21:09
- 30-11-2011 21:23
w = constant I think (I didn't watch a long way either side for context).