A E Q. V E A M P L I S 59 



fiiiitnm extenfos. cuitare ■vtlimus , poft- c'rciiliim 

 finiplicidinrac ciiriiiic id orJiiiCin fcxtiim ptrtine»' 

 biuit , hac accjiiatone contcntuc : r , ' • • 



(.v.^ -HT/-l-/r( "> .V*— I o .v.v v/H-r*) 4-e.v(.v*- 1 o xxw -i- ? v*) 

 ■+ hb{xx~{-yyf±k.*tx.x ^■jj) -+- /^ ~ o. 



Iii his aiitem ciiruis noii folumarcus, quorum irn- 



plitudo efl; 72° feu '-7, fed ctiam ii , qunrum am- 



plitudo efV vel 2. 7^ vel 3. v l' vel 4.. ~^ , inter fe 

 erunc aiquulcs. 



Qjuaeflio 6. ] 



30, hmcnire omn?f ciiruaf algebrriicas , in qiii^ 

 biif omr]'! arcin, quinim cadcm ejl amplitudo a-60*, 

 fmt inter fe aequales. 



Erit i^itur ~ — 6, et pro z capienda eft 

 fundo qunccunque harum quantitatuin fi:i.6wet 

 cof6a) Ciim ij< rur fit 



n.5oi- ~ — £5 et cof.6a)- —^ ~-^ 



fi Z dcnotct fundlionem vtcunque compofitam ex ••" 



his tT.bus formulis : 



.v-v-hjy \ A.X 3.V*- 1 o.v.xji -i-3j'')i x^- 1 5 A-*/K 4- 1 5 xxy^-y* 



aequatio Z — o contincbit omnes curuas al^ebraicas 

 quacfito fatisfacicntes. Talcs crgo practcr circu.um 

 infra ordincm fextum nou dautur , quac autem funt 



ex 



