Paper 1 · Differentiation
⏱ Tested in 5 exam questions since 2016
Lesson 6 of 21
Differentiation 6 – Product Rule
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- Differentiate products of two variable factors using dy/dx = u·dv/dx + v·du/dx
- Recognise when the product rule applies — and when a constant factor means it doesn't
- Set out rough work as u, du/dx, v, dv/dx before substituting into the formula
- Combine the product rule with the chain rule and switch to dy/dt when t is the variable
Most recent exam questions
- 2025 P1 Q6(b) — deferred
- 2024 P1 Q5(b)(ii) — deferred
- 2023 P1 Q5(b)
- 2019 P1 Q3(c)
- 2016 P1 Q6(b)(i)
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