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Proof

Proof

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Question 15

a a\,a is an integer. Prove algebraically that the sum of a(a+7)a(a + 7)a(a+7) and a+16a + 16a+16 is always 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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