Power Rule from First Principles

We derive the Power Rule for calculus without even defining the derivative. What is the slope of xⁿ? Geometry and infinitesimals is all it takes.

Read about it here: https://medium.com/mathadam/the-power-rule-from-first-principles-1e7cd3dda6d6 ... https://www.youtube.com/watch?v=BLMD0ZtB48c