X90 MEDITATIONES DE QJ^ANTITiTIBf^S 



tio --[x'-\-px-hq]—o , feii -x'-px-{j=o. Eft enim 

 f^- i'{Ei£ ^') Otum m.iuis i zr- Dtiim mains y, 



h. c. -x'—- [\p"-q-^py{{p'-qy^—-\p''-\-q-pV[\f-q)—- Dtum Yitk 



-px=i:L.Ve.Vk--p{-\p-V[ . . .)]--f;p* ■\py{\p--q)=-^i.z:^VeYk f zz o 

 -^= := — -q — - □P^Z/; 



Item cum fit Dtum minus ^ — -Gtummiinis y ■, 

 tT\.r:-x—-\p'-^q-\-p\\^p^-q\— - Dtum lYur ^ 



-p.v— +'p' -pV{J,p"-q)=i.Ve.Vr—^r^ZDVeJr f — o 

 -^=: -^ — -P^.P/t^:- □P/yZ/(,S 



Similltcr in §. XIX. conrtruebatur acquationis quariae 

 ^'-{-px-qzzo , dcinccps pofita A-*-h7r.v-^— o. Sed res 

 eodem rcdit , ac fi , loco Iniius , conlhuerctur acquatio 

 Fic. 6, -[.v'-|-p.v-</j— o , leu -.v''— p.v-h^.— o. P.lt cnim (F/^. (J.) 

 Dtum maius (J~- Dtum maius 'y~-[;/)'+^4-/>"^\*p'-f^)] 

 h. e. —.x''——'^^—q-p\\\p'-Y-q]—- Dtum Vitk 



-px=z+'y -{pV{!,p'-{-q)--ii-lp-y{{p'-Vq]]—CDVL^kz:io. 

 -Vq— -\-q — L;.L^ — oL//^ 



Itcm cum fit Dtum minus (3~ — D/um minus a ; 

 erit -.%•'—-[■/ -I-^Z-P^^UP +^)]—-i/-^+pV(:/)'-l^)— - DtumPQ\^R- 

 -p.v=:-/)[-ip-HV(:/H-^j] =:+:p' -pv^(:/>'4/))=- □ Q.1G\' 

 4-^=: 1= -H^ =r4- tzi PIGK 



t 



^. 2 1. Exprclfioncs radicum pro acqu.uionibus dcin- 

 ccps pofitis, qu.is in §. XL XVIL XVIIL ct XlK- 

 venatus fum , nimis fiinc compofitac , ct ad additioncm 

 cnnmdcm n<flu;ikm , aut (ubtiaclioncm non nccommf>da- 

 tnc. PolTunt tnmcn cacdcm pcr fimpliciores fornnilas cx- 

 pr mi , qunrtim opc , (iu7)ma , itcm diftcrcntin rndicum a(ftn 

 cxbiberi poicll. Ad id pracfiandum inlcruit fc^jucns 



Probk- 



