Paper 1 · Differentiation
⏱ Tested in 5 exam questions since 2016
Lesson 2 of 21
Differentiation 2 – First Principles
This tutorial is for members
Read the lesson notes free below — subscribe to watch the full worked video and download the PDF.
Subscribe for full access · €199/yrYou’ll learn
- Differentiate quadratics from first principles with f'(x) = lim (f(x+h) − f(x))/h
- Follow the rigid 5-step template: expand f(x+h), subtract, divide by h, take the limit
- Cross-check every first-principles answer against the power rule
Most recent exam questions
- 2024 P1 Q4(a)
- 2022 P1 Q6(a)
- 2020 P1 Q6(a)
- 2017 P1 Q3(a)
- 2016 P1 Q6(a)
💬 Stuck on something in this lesson?
Send your question with this lesson’s name attached — you’ll get a reply by email.