Proof

Medium Hard

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Question 2

70%

$n\,$ is an integer. Prove algebraically that the sum of $(n + 4) (n + 3)$ and $n + 4$ is always a square number.

[2]

Proof Questions

GCSE
Maths
Proof

Practise AQA GCSE Maths Proof with exam-style questions for Foundation and Higher tier. 56 questions, matched to the AQA GCSE Maths (8300) specification and written in Paper 1, Paper 2 and Paper 3 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.