| Exam Board | SPS |
|---|
| Module | SPS SM Pure (SPS SM Pure) |
|---|
| Year | 2021 |
|---|
| Session | May |
|---|
| Topic | Proof |
|---|
6. Shona makes the following claim.
" \(n\) is an even positive integer greater than \(2 \Rightarrow 2 ^ { n } - 1\) is not prime"
Prove that Shona's claim is true.
[0pt]
[BLANK PAGE]