CAIE FP1 2010 November — Question 2

Exam BoardCAIE
ModuleFP1 (Further Pure Mathematics 1)
Year2010
SessionNovember
TopicSequences 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 \(\lim _ { N \rightarrow \infty } S _ { N }\).