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1.4.1 Structure and methods of proof

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Question 8

Use proof by contradiction to show that there exist no integers x x\,x and y y\,y for which 21x+14y=1021x + 14y = 1021x+14y=10.

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Markscheme

1.4.1 Structure and methods of proof Questions

  1. A Level
  2. /Maths
  3. /1.4.1 Structure and methods of proof

107 exam-style questions on AQA A Level Maths 1.4.1 Structure and methods of proof. Each one has a worked solution and a mark scheme showing where the marks go.

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