2.3 Differentiation from first principles, x² example

Differentiation from first principles, x² example See my book Calculus https://leanpub.com/calculus-book This video describes differentiation from first principles. It explains how differentiation from first principles works, including an example of how to differentiate the function x squared. It also includes a geometric proof of the derivative of x squared. Suitable for UK A Level, IB Diploma Programme, US grades 11+. Typically taught to students aged 16 and above. Other videos: Differentiation - slope of a curve:    • 2.1 Differentiation - slope of curve   Related articles: Differentiation from first principles: https://graphicmaths.com/pure/differe... Differentiation - slope of a curve: https://graphicmaths.com/pure/differe... Links: Website: https://graphicmaths.com text versions of these videos. Twitter:   / graphicmaths   Reddit:   / graphicmaths   Patreon:   / graphicmaths   please consider becoming a patron to support this channel. This video was created using generativepy, a free and open source Python library for creating mathematical art and animations, available from https://github.com/martinmcbride/gene...