Paper 1 · Integration ⏱ Tested in 1 exam question since 2020 Lesson 2 of 13

Integration 2 – Integrating 1/x

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/yr

You’ll learn

  • Integrate 1/x using the page-26 rule ∫(1/x) dx = ln x + C
  • Explain why the power rule breaks at n = −1 (it would divide by zero)
  • Factor out coefficients: ∫(k/x) dx = k·ln x + C and ∫1/(kx) dx = (1/k)·ln x + C

Most recent exam questions

  • 2020 Paper 1 Q6(b)(ii) — integration to find an unknown limit — set up the definite integral, integrate, equate t…

💬 Stuck on something in this lesson?

Send your question with this lesson’s name attached — you’ll get a reply by email.