CAPE Pure Mathematics Unit 2 · May/June 2015 · Paper 1 · Question Q18

The 5^{\text{th}} term in the sequence that is defined by the relation u_n = (-1)^{n+1}\frac{n}{3n - 1}, n \ge 1, is

1. (A)\frac{-10}{14}
2. (B)\frac{-5}{14}
3. (C)\frac{5}{14}
4. (D)\frac{10}{14}