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Old October 11, 2012, 08:58 PM
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Ajfar Ajfar is offline
Cricket Sage
Join Date: February 27, 2006
Location: Connecticut
Posts: 17,829

Thanks to khan academy and Patrickmjt I won't flunk my first exam next tuesday. A lot of professors can learn a thing or two from these guys about teaching. Just reviewed pretty much everything I learned in differential equation 2 years ago by watching their videos, so much better than my professor.
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