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Question 68

n n\,n is an integer. Prove algebraically that the sum of n(n+2)n(n + 2)n(n+2) and 2n+42n + 42n+4 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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