Paper 1 · Induction
⏱ Tested in 1 exam question since 2019
Lesson 2 of 7
Induction 2 – Inequalities
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- Prove inequalities like 3ⁿ > 2n and n² > 4n + 3 with the 4-step induction structure
- Split coefficients (3·3ᵏ = 3ᵏ + 2·3ᵏ) to expose the assumption in step 3
- Prove Bernoulli's inequality (1+x)ⁿ ≥ 1 + nx using factor distribution
- Start step 1 at the smallest n for which the proposition holds
Most recent exam questions
- 2019 P1 Q2(b)
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