FORMFLAS DIFFERENT. RATIONALES. iij 



f a* - 2a; V' «p . cof. A V" -+- xx f p' 



f a-hxf ^ 

 Quod fi aiitem n fueiit numerus impnr , tum fbrmulae 



a - p jc" 

 fadores reales cmnt fequentes : 



fu-xf^ 



fa-2xfa^. coH A. ^ -\- xx f p* 



f a"- *x f aj3 . cof A. ^-i- xx f (3* 



f a~ zx f a^ .co^.A.^-{~xxf ^* 



fa*-2xfa^ .cofA.f^H-A-Arf p* 



Atque vtroque ca(ii produdum ex his omnibus fadoribus 

 ortum producet formulam a — (3 x^. 



§. 2p. Ex iiis perfpicitur , fi loco k omnes numeri 

 integri ab i , 2 , 3 . . . . vsque ad u inclufiue fubftituan- 

 tur ; tum omnes fadore> trinomiaies ex ilta forma gene- 

 rali refultantes 



fa^-2xfa^.coC.A(^^^-\-xxV^' 



fi in fc inuicem ducantur, produdturos expreffionem hanc 



(a-H-pA"")' 

 ideoque, fi ex finguMs illis fadoribus radices quadratae ex- 

 trahantur , produdum ex his omnibus radicibus dabit fbr- 



mulam 



