A-Level Maths | Parametric Equations Last updated on 07 Jun 2025 Question 1Question 2Question 3Question 4dy/dx = dy/dt x dt/dxQuestion 5Parametric Integration∫ y dx = ∫ y (dx/dt) dtQuestion 6Question 7Question 8Question 9 Previous Explain how a firm may benefit from both internal and external economies of scale | AQA A-Level Economics Model Answer | 15 marks Next A-Level Maths | Co-ordinate Geometry