(a) There are chairs in a row. Find the number of ways of choosing of these chairs, so that no two chosen chairs are adjacent.

(b) There are 10 chairs in a circle, labelled from 1 to 10. Find the number of ways of choosing 3 of these chairs, so that no two chosen chairs are adjacent.

(c) There are chairs in a circle, labelled from 1 to Find the number of ways of choosing of these chairs, so that no two chosen chairs are adjacent.

Jonjon May 21, 2020

#1**0 **

Dude 4 questions in a row... what is this... your homework? If so, I recommend you only asking one question and trying to understand the topic. Also, why didn't you do this before today... procrastinating will not be good in the long run

madyl May 21, 2020