Paper 1 · Induction ⏱ Tested in 1 exam question since 2022 Lesson 1 of 7

Induction 1 – Introduction

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

  • Prove propositions by induction using the 4-step structure with the exact step titles
  • Split 2·2ᵏ as 2ᵏ + 2ᵏ so one piece matches the assumption in the inductive step
  • Use the first rule of powers to rewrite 2^(k+1) as 2ᵏ·2
  • Write the full conclusion sentence — it carries separate marks

Most recent exam questions

  • 2022 P1 Q2(a)(iii) — deferred

💬 Stuck on something in this lesson?

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