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Proof

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Question 6

n n\,n is an integer.
Prove algebraically that the sum of (n+2)(n+1)(n + 2)(n + 1)(n+2)(n+1) and n+2n + 2n+2 is always a square number.

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Markscheme

Proof Questions

  1. IGCSE
  2. /Maths
  3. /Proof

14 exam-style questions on Oxford AQA IGCSE Maths Proof. Each one has a worked solution and a mark scheme showing where the marks go.

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