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Question 73

n n\,n is an integer. Prove algebraically that the sum of n(n+4)n(n + 4)n(n+4) and 4n+164n + 164n+16 is always a square number.

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Markscheme

Proof Questions

  1. GCSE
  2. /Maths
  3. /Proof

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

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