5« DE ARCVBVS CVRVARVM 



ftu ob x^ — Cxxyy-hy^i-^^^x-^yy^ — ^xxjy ex hl« 

 tnbus 



xx-\-jy-, xy(xx-jy) et xxry 



flcquatio 2 — o compkdetur omncs curuas algcbrai- 

 cas quacftioni ratiifacitntcs. Fod cirtulum ig tur 

 fiir.pliciflnrae erunt ex ordine quario hac aet]uaiio- 

 iie contenrae : 



x*^tiixy— nxxyy-mx) ^-\-y*-± ff{xx-\:yy)-^ g*z:o 



qnarum cue , quae \no irartu fimpHci in fe re- 

 deunr , n^odo muxime ratuiali (at sfaciunt , cu us- 

 modi c(l a*-^^*— ^*^ hoc leiilu enim mn (olum 

 ruros in infin tiuii cxtenfos , (cd ctiam plc:xub plu- 

 r.um traduum cuitari conucnit. 



Q.iiae(lio 5. 



29. Imrn.re omnes cunias algebraicas , in qtii- 

 %iis oninis arcus , qtmum eadem efi afi.piiiudo a.--]z' 

 <Jitit hter fe aequales. 



IIoc caCu habemus -^"5, ct pro z fumcnt^a 

 eft fun(flio quaecunt]uc biriarum quant tatum fin. 5 oj 

 et co(" 5 oj. Cum Atro fit 



fin. 5 co — ^5— -- et cof 5 co — -^-^-^ 



fi ^ -detKitet fundionem Ttcuiiqne compofitam cx 

 his tr.bus formuUs 



xx-^yy:, $ x*y- iox'y'-\-f ct x'-iox'y'-\-^xy* 



acquatio Z:rr.Q compJfdLttir «frties ciiruas 'al^^cbrai- 

 cuj piobkmati (ati&tacicutts. Viidc fi ranios n m- 



finitum 



