| Exam Board | CAIE |
| Module | FP1 (Further Pure Mathematics 1) |
| Year | 2010 |
| Session | November |
| Topic | Sequences and series, recurrence and convergence |
2 Use the method of differences to find \(S _ { N }\), where
$$S _ { N } = \sum _ { n = 1 } ^ { N } \frac { 1 } { n ( n + 2 ) }$$
Deduce the value of \(\lim _ { N \rightarrow \infty } S _ { N }\).