Share: Title:PERMUTATIONS & COMBINATIONS : Simplify : [(n+2):n!] - [(3n+1):(n+1)!] Duration: 4:27 Plays: 2 views Published: 3 days ago Download MP3 Download MP4 Simillar Videos ▶️ 4:12 Permutations & Combinations : Simplify : [ (n^2-9) : (n+3)! ] + [ 6 : (n+2)! ] - [ 3 : (n+1)! ] 2 views • 3 days ago ▶️ 4:54 Permutations & Combinations : Show That [n! : R!(n-r)!} + [n! : (n-r)!(n-r+1)!] = (n+1)! : R!(n-r+1) 2 views • 4 days ago ▶️ 7:01 Permutations & Combinations :show That (2n)!:n! = 2^n (2n-1)(2n-3)...5.3.1 2 views • 4 days ago ▶️ 4:45 Permutations & Combinations : Simplify : N[n!+(n-1)!] + N^2(n-1)! + (n+1)! 2 views • 3 days ago ▶️ 6:51 Complex Numbers Lecture 1 By Prof Vilas Katle Sir 2 views • 1 month ago