\ 



Pro poftcriori aiifem approximatione , fit aequationis cu- 

 bicae p^-i-Bp — BC— o radix realis — k, Yt dt 

 k'-\-Bk-BC—o, eritquc 



B C - B p - p' - (i - p) (B -f- ^' H- Jk p -f-p') ; ^incquc 

 ^ V — — ' P- << p , _ ^» ,/ -, _ — B r>. p 'J p 



quac aequationcs, pofito 



P-q-'A\ B-^.-*. = E ct B-+-!^^=r, 



adhibitaque fracflionis vtiiubquc refolutione in fra(flionc8 

 partiales , in has abeunt: 



dy-^DE,k(l-S.^JA^-[B.^.lk^).JjJ\ 



.... . B-»-;r 



quarum , pofito breuitatis gratia - — — - — ::=2, colhguninr 



*/ 



intcgralia 



x:^ Cona.-DE. A.og. hyp.^^^^-X^ + ^*. Arc.tang. A 



> = Conn.-DE./:^rog.hyp.4y^^^-g-Arc.tang.-^^ 



Ci}e, pofito ad contrahendas has formulas Arc. tang. ^ — X 



et fumto Arcu N tali, vt fit ^^ — tang, N, 



babcbitur 



X = Conft. -D E (I.og.hyp. ^^— -f- !i X} 



j- - Conft. - D E A (I.og. hyp. ^^J-^-jy - g X) , 



quae intcgralia cum cuancfccre dcbcant cafu Cp =. 1 adeo- 



que 



