Recent content by m1sanch

Oh ok thank you for the other alternative to look at this problem. It does make sense now.

Ok so I can regard my multiset of "rooks" as being a set m={4*b,2*r,2*e} like you stated and use this theorem in my book that states: For n rooks of k colors the number or arrangements is equal to n!(n!/(the repetition number of each object)!). So the number of arrangements would be...

Homework Statement How many ways can two red and four blue rooks be placed on an 8-by-8 chessboard so that no two rooks can attack one another. Homework Equations 1)Number of permutations with two types=(n choose n1)=n!/((n1!)(n-n11)) 2)Number of ways to place n rooks which have k...