A round table conference to be held between 43 delegates of 43 countries. In how many ways can they seated if two particular delegates are always to sit together? Choose the correct choice from the following answers
A) 27!*3!  B) 32!*7!  C) 45!*1!  D) 39!*5!  E) 41!*2!
Regarding two particular delegates who are to sit together as on one person, we have only   41+1= 
<gadget id="calculator">  41+1</gadget>
<output>42</output>
42 persons.these 42 persons can be seated at the round table in 42! ways.   But two particular persons can be arranged among themselves in 2! ways.   Required number=41!*2!   Answer is 41!*2!
<result>E</result>
A round table conference to be held between 43 delegates of 43 countries. In how many ways can they seated if two particular delegates are always to sit together?