The Easiest Integral on YouTube
He did the derivative!!! Check out Fematika https://www.youtube.com/watch?v=as1vk0IuAHA&t=0s
100 integrals: https://youtu.be/dgm4-3-Iv3s
shop calculus t-shirts and hoodies: https://teespring.com/stores/blackpenredpen
Yes, I am serious.
blackpenredpen