lagranage multipliers

1:39

2:49

6:05

7:43

6:30

17:55

2:40

34:35

12:09

9:52

8:53

3:39

6:10

6:20

48:59

50:51

49:31

18:10

4:52

1:14

2:30

1:09:06

1:17:11

2:09

11:11

6:31

13:02

19:05

15:16

9:01

17:59

4:24

7:48

16:17

16:55

7:54

12:52

9:13

8:02

7:40