Derivatives as dy/dx - mathsisfun.com
www.mathsisfun.com › calculus › derivatives-dy-dxIn Introduction to Derivatives (please read it first!) we looked at how to do a derivative using differences and limits. Here we look at doing the same thing but using the "dy/dx" notation (also called Leibniz's notation) instead of limits. We start by calling the function "y": y = f (x) 1. Add Δx. When x increases by Δx, then y increases by ...