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Proof

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Question 51

Prove that the sum of 3 consecutive odd numbers is always a multiple of 3 by showing that the sum can be written in the exact form 3(2n+3)3(2n+3)3(2n+3).

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Markscheme

Proof Questions

  1. GCSE
  2. /Maths
  3. /Proof

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

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