C ^4 ) 



^~ (i+A-^) Ci+v^y P^^^^^ I +*' = o, unde fit 

 cc^ = — I , ^'^ :^ - a; , ita uc fie 



n 1 — —=__!___- __J_~. 



Hinc porro dedacicur t^ =: — - 3, . 3 — ^"r~T5 — T' 



ct tercio C7 :r — i — —; — — ^a~7- / unde eli* 



minando /^* primo ex i ec 2, eric 



c7 = «''ir~J3r~» 1 5 — * — "::":; — • cum ex i ec q . . 



2— a: + x"*4-2a: — jc^— I Irl-x "^ 



2 -** X^ 2 "~~ A.'* 



U r: TTT^a » X r ^ ^x quibu3 



duabus forinulis fimilicer x eliminatur ponendo 



C7 -- r4-"rv~r-r~ : ^ / i^a u'^ fecunda fractio 



1 *^ X "^ 3 ^ *r 



fiat rr — - 



Tenia denique fractio esc F = . -^x^^ii-^x^^ f ^^^^'* 

 tente i + a^* =^ o , five at* = - i , ec J»;^ =: — inr, quibus 



fubfiituds fit I r= r^W^^M^P^ ==i+,.+^,a_, 

 ex qua porro 11 F = — ,4.--i ^ "^ ^= ^^^if^^^ 



Ietlir= 



3 



:v5 - :c - AT* + 1 



I — A7 ___ I — ^ 



IV ^ — .Ti ^TaTZ^ eliminetur iam x^ ita ut fiat ex 



et ex let 111^=^ 





1 + :c* + A?^ - :\r + ;w* - x^ - x* ' ^ 2 x^-2 x^'* 



ex 



