Proof

64%

Prove that $3n + 2)^2 - (3n - 2)^2$ is always a multiple of 8, for all positive integer values of $n$ .

[2]

64%

Prove that $3n + 2)^2 - (3n - 2)^2$ is always a multiple of 8, for all positive integer values of $n$ .

[2]

Proof Questions