Differential (dy) Notation and Intuition

Explanations 2

• A differential dxdxdx is not a real number or variable! It is just a common component of notation in calculus. However, it can intuitively be thought of as "a very small change …

  By Brian Chen

• Introduction Now that you've learned what a derivative is, you've seen things like this: dydx=4x+2\frac{dy}{dx} = 4x + 2dxdy​=4x+2 The dydydy and dxdxdx are called differentials…

  By Matt Superdock, Jonathan Heller