2016-05-20
[public] 40.7K views, 638 likes, 2.00 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/multivariable-derivatives/curvature/v/curvature-formula-part-5
Here, we finish the intuition for how the curvature relates to the cross product between the first two derivatives of a parametric function.