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Question 48

Prove that (6n+5)2−(6n−5)2(6n + 5)^2 - (6n - 5)^2(6n+5)2−(6n−5)2 is always a multiple of 12, for all positive integer values of nnn.

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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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