Treat two together: 2 × 9! = 725760.
Answer: 725760
The D.C.Os of 11 districts meet to discuss the law-and-order situation in their districts. In how many ways can they be seated at a round table, when two particular D.C.Os insist on sitting together?
Treat two together: 2 × 9! = 725760.
Answer: 725760
Discuss theoretical concepts, mathematical formulas, and architectural foundations.