52 - A two variable example of Lagrange multipliers
16:46
53 - A three variable example of Lagrange multipliers
20:26
51 - The method of Lagrange multipliers
29:32
55 - Lagrange multipliers for several constraints
19:53
50 - Exterma subject to constraints
16:29
Lagrange Multipliers with TWO constraints | Multivariable Optimization
56:15
49 - Classification of critical points
27:40
26 - Limits and polar coordinates
25:50