Math 392 Lecture 14 - Examples of surface integrals over vector fields. Finishing 13.7

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Welcome to lecture 14 of Vector Calculus and Linear Algebra!

In this lecture, I start by correcting a mistake I made in lecture 13 :p We then continue with completing section 13.7 from James Stewart's Essential Calculus, ed 1. We cover some examples with surface integrals over vector fields. And...we had a hiccup at the end because I was right and didn't realize it :p. I worked out a similar problem recently and had the wrong "answer" stored in my head.

That's it. I think we only did two examples, but we completed the section and a lot of important concepts were dealt with in detail. So pay attention!
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At 38:00 shouldn't it be +rsin(theta)?

fahim