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Proof

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Question 9
a.

Expand and simplify

n2+(n+1)2 n^2 + (n + 1)^2 n2+(n+1)2
[2]
b.

Hence prove that the sum of the squares of any two consecutive integers is always an odd number.

[1]
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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