<p>hahahh same professor:
[MIT</a> OpenCourseWare | Mathematics | 18.01 Single Variable Calculus, Fall 2006 | Video Lectures | detail](<a href=“http://ocw.mit.edu/OcwWeb/Mathematics/18-01Fall-2006/VideoLectures/detail/embed29.htm]MIT”>http://ocw.mit.edu/OcwWeb/Mathematics/18-01Fall-2006/VideoLectures/detail/embed29.htm)</p>
<p>4:51-----“albegra”</p>