Parametric vs. Cartesian (vid#4): Second derivative d^2y/dx^2

How to find second derivative, d^2y/dx^2, of parametric curves? Second derivative notation explained. Parametric vs. Cartesian Full playlist : https://www.youtube.com/playlist?list=PLj7p5OoL6vGyIPHJnnOHKtNZAY4MFuwj2 ☀️support bprp on Patreon: https://www.patreon.com/blackpenredpen Guess what my first job was! https://youtu.be/RSCzXXeqGbU , My simple setup: 😃 https://youtu.be/IKk7k-CMttE , Check out my site & social media 😃 https://blackpenredpen.com 😃 https://twitter.com/blackpenredpen 😃 https://www.instagram.com/blackpenredpen/ Thank you for supporting! You're awesome and I know it! blackpenredpen | 曹老師