n1' men and 'n2' women are to be seated in a row so that no two women sit together. If n1 > n2, then the total number of ways in which they can be seated is equal to:
(a) n1!(n1 - n2)!
(b) n1!n2!
(c) n2!(n1 - n2)!
(d) n1!/(n1 - n2)!