| Exam Board | WJEC |
| Module | Further Unit 1 (Further Unit 1) |
| Year | 2022 |
| Session | June |
| Topic | Sequences and series, recurrence and convergence |
4. The positive integer \(N\) is such that \(1 ^ { 2 } + 2 ^ { 2 } + 3 ^ { 2 } + \ldots + N ^ { 2 } = ( 3 N - 2 ) ^ { 2 }\).
Write down and simplify an equation satisfied by \(N\). Hence find the possible values of \(N\).