8i DE RESOLVTIONE 



ita vt hiibCcUur 



dd—ee-^ff-\'2.efcci?.['Q^Q), hiii:|ii; dilzzie-^-fy 



fi igitiir por.iunr 



4^/nn.UB4-C)' r r« ^ 

 ^lir^^— - fin. E , fict 



dd—{c -\-fi cof. E' , feii d — [e-\- f) cof. E. 



De hac auiem (ohuione obfcrn:irc conuenir , eam 



4.^Afn.UB-f-Cr 



femper adhib^ri pDfTc , quia z valo* 



^ ' ^^ -+- / ) 



rcni fcmper coiifcquicur pofuiuum , eumqne vnitate 

 iiiinorun. Ncceflumenim e(t , \t e ct f limul V;i- 

 lorcs fui2 pofitiuos , (eu negatiuos fortiaiuur , tnm 

 vero euidens elt , quod {e -{- f f ^ ^ e f , Jiincque 

 tanto magis [e-^-ff > 4 ^/"fin. ' (B -+- CY . 



3. Problenia. 2. Datis laterikus a, b, d ciim 

 avgtdis B, C inuemre laius c. 



Huic problcmati fohicndo aequatio noflra prima 

 infcruit , vt autcm fohuioni aptior euadat , noietur 

 eam fic expiimi pofTe : 



(rf kof.C+^cof.(Bi-C))V(flrin (B+Cj+Z^ fin.C^^-^^viidc coUigitur 



(<;-f-^cofCH-ffcor(B-f-C))'=i'j''^-(<?fiu.(.B-hC)4-i'fin.C)' hincque 



<-+kof.CHtfcor(B-HC)z=V(^</-(rtfin.'B+C)-i-Z'fin.C)') 



— V^^Hflfin.^B+CH/^fin.CX^y-flfin.^B-i-Cj-^^fin.C). 



Quum autcm fignum radic:ile fua natura (ambiguum 

 fit , et quaniitutcm tam negatiuam , quani pufitiuam 



indi- 



