Irrational Number
What Irrational Number means in Mathematics A-Level, as defined for AQA, Pearson Edexcel.
Definitions of Irrational Number
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Reference: Pearson Edexcel
A real number that cannot be written as a simple fraction; its decimal expansion goes on forever without repeating.
A number that cannot be written as a simple fraction; its decimal expansion goes on forever without repeating.
A real number that cannot be expressed as p/q for integers p and q with q ≠ 0.
Topics that use Irrational Number
- A: Proof (AQA A-Level)
- Algebra and functions (Pearson Edexcel A-Level)
- Proof (Pearson Edexcel A-Level)
Related terms
- Rational Number
- counter-example
- Disproof by counter example
- Proof
- Proof by contradiction
- Proof by deduction
- Proof by exhaustion
- Integer
Using Irrational Number in the exam
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