Typo in video: Vectors | Chapter 1, Essence of linear algebra

[lxavila]

You have a typo in the sum of vectors example at 6:52. You have x1 + y1 and x2 + y2, instead of x1 + x2 and y1 + y2.

[kurtbruns]

Thanks for pointing out the typo in the video! This repository is just for the article versions of the videos.