Mathematics A-Level
reciprocal derivative
What reciprocal derivative means in Mathematics A-Level, as defined for WJEC.
Definition of reciprocal derivative
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Reference: WJEC
The derivative of the natural logarithm function is d/dx(ln x) = 1/x for x > 0.
Topics that use reciprocal derivative
- Differentiation (A2 Unit 3: Pure Mathematics B) (WJEC A-Level)
Related terms
- algebraic simplification
- Chain rule
- compound angle expansion
- concave curves
- connected rates of change
- convex curves
- differential equations formulation
- differentiation from first principles
Using reciprocal derivative in the exam
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