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Proof

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Question 18

x x\,x is an integer. Show algebraically that adding x+7x + 7x+7 to the product (x+7)(x+6)(x + 7)(x + 6)(x+7)(x+6) always results in a square number.

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Proof Questions

  1. GCSE
  2. /Maths
  3. /Proof

56 exam-style questions on Edexcel GCSE Maths Proof. Each one has a worked solution and a mark scheme showing where the marks go.

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