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Algebraic Methods

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Question 95

Use proof by contradiction to show that there exist no integers x x\,x and y y\,y for which 14x+21y=414x + 21y = 414x+21y=4. Give your contradiction in exact form.

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Markscheme

Algebraic Methods Questions

  1. A Level
  2. /Maths
  3. /Algebraic Methods

368 exam-style questions on Edexcel A Level Maths Algebraic Methods, covering 1.1 Proof by Contradiction, 1.2 Algebraic Fractions, 1.3 Partial Fractions, 1.4 Repeated Factors, and 1.5 Algebraic Division. Each one has a worked solution and a mark scheme showing where the marks go.

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