Paper 1 · Differentiation
⏱ Tested in 5 exam questions since 2015
Lesson 8 of 21
Differentiation 8 – Chain Rule
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- Differentiate (bracket)ⁿ: bring n down, drop the power by 1, × derivative of the bracket
- Rewrite square and cube roots as powers (^½, ^⅓) before differentiating
- Simplify negative fractional powers back to root form using page-21 index rules
Most recent exam questions
- 2025 P1 Q3(a)
- 2025 P1 Q5(c) — deferred
- 2025 P1 Q9(b)(ii) — deferred
- 2023 P1 Q5(a)
- 2015 P1 Q5(b)
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