L39n 
cmm in'jcmuntur, fUcuit unum vel dterum exemplum adjurt* 
gerCy ut praxis iJlius compendium inde innotefcat* Proponatur 
ALquAtio z z z — :j9 z z-|-479Z' — i88i=:o; qii£runtur 
radices z. V ^ b — jp =: V 9 f = V d, cujus duplum V 37I 
rdius efi Circuity & iibbb_-f jg - jb p^_ . 197 -j-9-.oi- 
y ddd 9t 
? " TC/^ /-^^-^ Tabular is Angulijooc efi^facta 
9 7 ' 97 
divifioneope Logarithmorumj Log. 9.9251560, cuirefpondet 
Angulfis i<)m. iis^. Hyus tertiapars igg. 6m. 24s. 
& complementi 40g. 53m. 56s. tS/;?^ Leg. 9.514983. 
.8 X 60 f ijC[ui du6li in Kad. V 577 producunt Y &Cy & Y &c 
Log, 0.30 ! 030 = 2 & Log. 0.601059 = 4, tertia vero Y & 
£^ualis ejl eorum fmnmiZ five 6. ldeoc^\ radices funt 13— 4=:9. 
13— 2r=:ii & i^-{-6~i^,ex quil^us pngulis conflatur praUifla 
dquatio, Vbi Notandum duos minor es radices mn excedere 
jb vel i^y quia centrum R in conJlru6tione cadit ad dextr^m 
Axis ; id efi ihp minor efi quam a-zb^-f - iq. 
Exemj)lum alter urn fit yi^ — 1 5X* — - 229X — 52'>=o. 
& quarantur radices. V ^b b -j- IP = V 101 j= y d, & Ra- 
^.^ 0« V405I. ^^r?^^= ' \t ■ V ' t.'^'' 
yddd lOijyioij 
~ loi '^^loi ' "^^^^^^T*^^^^^^^ Arcusycujus Log.g.gj^ 6^26 ^ 
& Arcus ipfe 70gr. 14m. 22s. hujus pars tertia eft 23gr.24m. 
4 7 is. compiementi 36, '^^. i2i ; quorum Sinus Log. 
funt 9.599185 & ^:7J$2j<y,quil?us addito Log. V Afi'^^funt 
Log. 0.90^089—8 &Log.i. o gi ^i ~ \ ^-,& eorum fumma 
~ 20. Hinc concluditur 10 4-jb vel 2 5 ^qiiari radici Jiffir* 
tnativ^y 8 ^ I ^ — f b five ^ & 7 Negativis. Quod ft ^e- 
quatio fuijfet +^ 5x''— 2 9x^52 5=0^3 & 7 fuijfent Affir- 
mative ; 2 5 vero Negativa. Cetera autem Cubice unica, 
tantum Radice explicahiles juxta Regulas Cardani refolven- 
de funt J poftquam demptus fuerit fecundus terminus ; nec vi- 
deo quo pa5to minori calculo hoc negotium peragi pojjit. At fi 
defideretur radix hac in Quantitatihus p, q expreffa^ dico 
earn 
