Proof

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Question 24

Prove, in terms of $k$ , that the difference between the squares of any 2 integers that differ by $k\,$ is equal to $k\,$ times the sum of these integers.

[4]

Proof

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Question 24

Prove, in terms of $k$ , that the difference between the squares of any 2 integers that differ by $k\,$ is equal to $k\,$ times the sum of these integers.

[4]

Proof

Question 24

Markscheme

Proof

Question 24

Markscheme

Proof

Question 24

Proof Questions

Proof

Question 24

Proof Questions