This function is its own derivative

This polynomial function is its own derivative. From Calculus Made Easy, Chapter XIV (get it free: https://bit.ly/EasyCalculus), "On true Compound Interest and the Law of Organic Growth." We will discover the infamous Euler's number, e, by creating an infinite polynomial function and then differentiating. ... https://www.youtube.com/watch?v=IOXFPABxiU4