"»^.1 } 87 ( 



cx praecedentibus determinantur, fequenti formula indudi 

 poteft: 



r re 1 — n-f-t — ft — X r rt -i _l_ !i!L-f-' )— f'"^ T 5 1 



Lp_^A-' p -h K I-P-+-X— i J "^ ^J -4- X Lp + x — iJ^ 



1 jfn-t-0 — p — X r n -■ i X(n-f-i) — ^ — X f _" T 



"^^ "~Jh- X l^?+~3J • • • • 1 p^i: IpU 



quae expreflio, fi loco p -4- X fcribamus fimpliciter p, in- 

 duet lianc formam: 



Huius formulae ope finguli feriei termini facile formari 

 poterunt: quia enim nouimus effe ["] — i, antecedentes ve- 

 ro omnes :z:o, pro formatione fmgulorum terminorum 

 habebimus: 



m = "-^* [^j + '-^ ["] + ^-^' m + ^-i^' [?] + '-^ m- 



Hic autem probe obferuandum cfl:, has formulas non vltra 

 X terminos continuari debere, quandoquidem pro formu- 

 la generali [j] vltimum membrum vidimus effe 



— X(n_f_i) — p r n 7 



— p L pTTx J • 



§. 17. Quodfi porro hinc ad poteftdtem fequen- 

 tem, cuius exponens eft « + i, progredi velimus, vbi po- 

 teftatis 2^ coefiiciens eft ['^-=^'] ex ipfa formatione harum 



poteftaium mauifefluna eft fore^ 



