Quotient rule
What Quotient rule means in Mathematics A-Level, as defined for AQA, Pearson Edexcel, WJEC.
Definitions of Quotient rule
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Reference: AQA
Differentiates y = u/v as (v du/dx − u dv/dx)/v², where du/dx is the derivative of the numerator u and dv/dx is the derivative of the denominator v.
Gives d/dx(u/v) = [v(du/dx) − u(dv/dx)]/v² when differentiating a quotient.
If y = u/v, then dy/dx = (v du/dx − u dv/dx)/v².
Topics that use Quotient rule
- G: Differentiation (AQA A-Level)
- Differentiation (Pearson Edexcel A-Level)
- Differentiation (A2 Unit 3: Pure Mathematics B) (WJEC A-Level)
Related terms
- Chain rule
- Implicit differentiation
- Parametric differentiation
- Product rule
- connected rates of change
- Derivative
- differentiation from first principles
- Point of inflection
Using Quotient rule in the exam
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