Question Number 114943 by ZiYangLee last updated on 22/Sep/20

If  ^m C_1 = ^n C_2  ,  express m in terms of n.

Answered by Dwaipayan Shikari last updated on 22/Sep/20

((m!)/(1!(m−1)!))=((n!)/(2!(n−2)!))  m=((n(n−1))/2)

Commented byZiYangLee last updated on 26/Sep/20

Tks