In this video I demonstrate the use of the relationship

Formulae to remember:

  • \dfrac{dy}{dx} = \dfrac{1}{\dfrac{dx}{dy}}

Example:

  1. \text{Given} \ \ x=3\tan(2y-1). \\ \\ \text{Show that} \ \ \dfrac{dy}{dx} = \dfrac{3}{2(9+x^2)}
Differentiation - Finding dy/dx from dx/dy Example (1) : ExamSolutions - youtube Video