CAPE Pure Mathematics Unit 2 · May/June 2019 · Paper 1 · Question Q29

The binomial coefficient \binom{n}{4} is equivalent to

1. (A)\binom{n}{3} + \binom{n}{1}
2. (B)\binom{n}{n-4}
3. (C)\binom{n-4}{n}
4. (D)\binom{n}{n+4}