separable variables
What separable variables means in Mathematics A-Level, as defined for Pearson Edexcel, WJEC.
Definitions of separable variables
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Reference: WJEC
Variables separated into a product of single-variable expressions, allowing division to isolate them.
A specific type of first-order differential equation that can be written in the form $\frac{dy}{dx} = f(x)g(y)$.
Topics that use separable variables
- Integration (Pearson Edexcel A-Level)
- Integration (A2 Unit 3: Pure Mathematics B) (WJEC A-Level)
Related terms
- Area between curves
- Definite integral
- Integration by parts
- Integration by substitution
- Antiderivative
- Area under a curve
- common factors
- Differential equation
Using separable variables in the exam
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