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Proof

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Question 17

Given that the sum of the squares of any 2 even positive integers can be written as 4(n2+m2)4(n^2 + m^2)4(n2+m2), prove algebraically that it is always a multiple of 4.

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Markscheme

Proof Questions

  1. GCSE
  2. /Maths
  3. /Proof

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

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