Calculus 3 -- Lines and planes -- More practice

0:00 Introduction
1:13 Problem 1
14:33 Problem 2
27:53 Problem 3
37:04 Problem 4
47:27 Problem 5
54:01 Problem 6
1:03:32 Problem 7
1:09:52 Problem 8
1:15:41 Problem 9
1:21:31 Problem 10
1:39:34 Problem 11
1:50:23 Problem 12
2:01:03 Problem 13
2:09:03 Problem 14
2:14:53 Problem 15
2:21:41 Problem 16
2:31:43 Problem 17
2:47:24 Problem 18
3:03:21 Problem 19
3:22:08 Problem 20
3:46:12 Problem 21

[jonnyspot]

Would you consider these challenge problems, or are they problems that calc III teachers would expect us to solve on a test? (I went through the video and was able to do some but not all problems, but I still learned a lot!)