rationalising the denominator
What rationalising the denominator means in Mathematics A-Level, as defined for AQA, WJEC.
Definitions of rationalising the denominator
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Reference: WJEC
Eliminating radicals to express values in standard form.
Rewrites a fraction so the denominator is rational.
Topics that use rationalising the denominator
- B: Algebra and functions (AQA A-Level)
- Algebra and Functions (AS Unit 1: Pure Mathematics A) (WJEC A-Level)
Related terms
- Asymptotes
- Completing the square
- critical values
- direct proportion
- Discriminant
- Factor theorem
- Graph transformations
- graphical intersections
Using rationalising the denominator in the exam
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