Share: Title:PERMUTATIONS & COMBINATIONS Find n if (1:n!)= (1!:4!)-(4:5!) Duration: 3:40 Plays: 5 views Published: 5 days ago Download MP3 Download MP4 Simillar Videos ▶️ 4:12 Permutations & Combinations : Simplify : [ (n^2-9) : (n+3)! ] + [ 6 : (n+2)! ] - [ 3 : (n+1)! ] 5 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) 5 views • 4 days ago ▶️ 6:20 Complex Numbers : If X(1+3i) + Y(2−i) − 5 + I^3 = 0, Find X+y 5 views • 3 weeks ago ▶️ 5:41 Sequences & Series : Find Sn For The G.p. 0.4 + 0.44 + 0.444 + ... 5 views • 2 weeks ago ▶️ 10:43 Sequence & Series ::a.g.p. ::find Tn & The Sum Of N Terms Of 1, 4, 12, 32, 80, 192, ... 5 views • 9 days ago