P r o v e t h a t ∑ r = 1 m m + 1 r - 1 m r - 1 r C r m = m m - 1 Share with your friends Share 0 Soumyadeep Kar answered this I got it myself, posting solution for others. 1 View Full Answer Melvin Alex answered this Frm where did u get this question? 1
