23<J CONSTRVCTIO AEQVATlOmS 



etc. Debebit crgo h eiiismodi effe quantitas , vt loco 



z fubftituta faciat -—-^—o. Non vero poterit 



dz 

 effe b^o^ qiiia t\im plerumque fimul quantitas/ -}~^^ 



euanefccret. Comparatis iam his redudionibus cum fur- 

 pra affumtis , determinautur litterae a , p , y, <5^ etc. Erit 



/-■1- l /1 M-t- • 2|JH-» „^_ 



fcihcet a —t^ ^ — tl^T+rr) » Y — FmV^Fs-) etc . 

 , §.8. Definitis hoc modo litteris a., (3, y ete. 

 confidcro alteras A,B,Cetc. quarum quamlibet video 

 huiusmodi formam ^ , fciUcct vnitatem diuifam per fa- 

 dum ex duobus faaoribus , habere oportere. QH^ ^" 

 tem fimul ferics i 4- A^ Q^-h A B^^ q^^ _|_ a B C^' Q_J 

 -V-etc. poflit fummari, facio A— ^jfj—p^, '^—(^y?)[^u) 

 Cz:z ^^_^_^f\ ^^) etc. atque tum feries ope mcthodi 

 meae vniuerllihs feries fummandi poterit fummari. Po- 

 no primo breuitatis gratia ^ Q_— ^^ , erit R — i -H 

 ,f(:^)-l-<^^T^^fTT7)-+-etc., facioque R-i=S 

 pnt S ■=: ^-^ -4- ^T^^.;„$z^^_:mr^) -{- etc MultipUco 



if — f 



Tt-t 



••'f. ,.^ . ,. . pd(7P S) 

 flunc vbique per g^? lumoque differentiaha, erit^ — ^ 



— C!.-^ ^ ___|-etc. lam per g multi- 



piico fiimoque deuuo diffejjentiaUa ponendo dtj conillaa- 



te, prodibit ^ il- i=iq p ^---^— - -f- 



etc* 



