2016-11-15
[public] 160K views, 2.79K likes, 17.0 dislikes audio only
Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now: https://www.khanacademy.org/math/multivariable-calculus/applications-of-multivariable-derivatives/lagrange-multipliers-and-constrained-optimization/v/finishing-the-intro-lagrange-multiplier-example
Working out the algebra for the final solution the the example from the previous two videos.