At a glance
4
Occurrences
questions
4
Years
4
Papers
4
Worked
100%
When this method shows up
Years in which at least one question on this paper triggers the method.
Other top methods in Differentiation
- Rewrite a quotient, product or root as a sum of powers of before differentiating×6
- Optimise a gradient or stationary feature that depends on a parameter: differentiate in , then optimise over the parameter×5
- On a 'which expression equals the derivative' question, substitute a convenient value of to eliminate options×4
- Build the tangent or normal line from , taking the negative reciprocal for a normal×3
- Geometric optimisation: use the constraint to reduce to one variable, then set the derivative to zero×3
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