Paper 1 · Indices and Logs ⏱ Tested in 5+ recent exam questions Lesson 3 of 8

Indices and Logs 3 – Rules of logs part 2

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You’ll learn

  • Combine same-base logs with the product, quotient and power rules on page 21
  • Solve log equations by condensing to one log, then converting to index form
  • Reject any solution that makes a log argument negative or zero
  • Write log expressions in terms of p and q, using logₐ(a) = 1

Most recent exam questions

  • 2025 P1 Q1(c) — deferred
  • 2025 P1 Q5(b)
  • 2024 P1 Q3(c) — deferred
  • 2024 P1 Q6(b)(iii)
  • 2022 P1 Q10(e)(i)

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