Mathematics A-Level
Chain rule and composite functions
What Chain rule and composite functions means in Mathematics A-Level, as defined for Pearson Edexcel.
Definition of Chain rule and composite functions
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Reference: Pearson Edexcel
If y = f(g(x)), then dy/dx = f′(g(x))·g′(x), often written as dy/dx = dy/du × du/dx.
Topics that use Chain rule and composite functions
- Differentiation (Pearson Edexcel A-Level)
Related terms
- Chain rule
- Composite function
- connected rates of change
- Derivative
- differentiation from first principles
- Implicit differentiation
- Increasing and decreasing functions and points of inflection
- Modelling real situations with derivatives
Using Chain rule and composite functions in the exam
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