A.14 Circular Combination
- Arrange 8 dancers in circular fashion.
- Use 8 pearls in a band to make a necklace.
- Arrange 8 science and 7 arts students circularly so no two arts students are together.
- 7!
- \(\frac{(8-1)!}{2}\)
- \(^8P_7 \times \space 7!\)