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1.4 A: Proof

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Question 13

Prove by contradiction that 5 \sqrt{5}\,5​ is irrational.

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1.4 A: Proof Questions

  1. A Level
  2. /Maths
  3. /1.4 A: Proof

Practise AQA A Level Maths 1.4 A: Proof with exam-style questions for A Level Maths. 107 questions covering 1.4.1 Structure and methods of proof, matched to the AQA A Level Maths (7357) specification and written in Paper 1, Paper 2 and Paper 3 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.

Question bank