Alternative notations include C(n, k), n C k, n C k, C k n, C n k, and C n,k in all of which the C stands for combinations or choices Many calculators use variants of the C notation because they can represent it on a singleline display In this form the binomial coefficients are easily compared to kpermutations of n, written as P(n, k), etcè î Ø h ú p ¥ è ï Ø t æ/² $ ( 5 'ög^g gwh g h ºf·>Ý>àh >à>á h hzh ºf·>Ý>âh >Þ>Ü n æ Ø /g\g g@g gngug ² /#Õf·>Ý>àh >à>á f· ;3KDVH v o O q Æ ê É ñ ® 8 d v M j & v á d X ô ê s b q &29,' y ô ¨ Iß ± v R Q 1 ~ ê × é ¤$OHUW /HYHO ¥ s Æ ê É ñ ® y ¤3KDVH ¥ â d C W M d }$OHUW /HYHO z s b ^ v n q Æ ê É ñ ® y3KDVH > y s b b j } $ Õ z Æ 8 Pdf Identity Based Kcdsa Signcryption Semantic Scholar N[p[ }CN Êè¦