CAPE Pure Mathematics Unit 2 · May/June 2019 · Paper 1 · Question Q24

Given that S_n = \sum_{i=1}^n \left[\frac{1}{i} - \frac{1}{i+1}\right], \lim_{n\to\infty} S_n is

1. (A)0
2. (B)\frac{2}{3}
3. (C)1
4. (D)\infty