74 DE COMPARATIOXE 



iani conftans M ex datis a ct b ita dcfiniri dcbet 

 \t fit 



oz::- 1 +2 M ,a+b^-MM (Jb-a^-^y^a tb) -^lSUabb 

 vnde fit : 



Ti» a -*-b— ,anbh ^ ■.^/{a — a*' (b—h*) 



Ct V CM — 1 1 ~ >!£iiJ=«Kidtir»-.*l):t V bii— *Ki-*- a -+- a o) ^ 



Inuento hoc moJo valore conftiintis M cx data 

 quantitatc p inucnitur q, atquc hinc porro \alor 

 \ariabilis r pundlo R rcfpondens (cilicct ; 



ficquc a pundo P arcus quicunque multiplus arcUs» 

 dati AB abfcindi potcrit. 



Scliolion. 



4(S. Circa huiusmodi curuas fingularis aflfcc^iO 

 notari meretur , fi cnim breuitatis gratia ponamus 

 y(fl-a*)r::a ct 'V {b — b*) — h vt fit : 



- — (T--^' et y{M - I } ^/ 



vtraque quantitas radicalis n ct b tam affirmatiiic 

 quam ncgatiuc capi potcll ; \ndc pro M ^cminus 

 valor habctur ; cx quo pro .-m+mmp-,/:^h:^.^_^, 



ob nouam figni ambiguitatcm quatcrni \alorcs rc- 

 luhant. Binos quidcm natura rci oftcndit , qufii 

 puniflum (^ tam ante quam poft pundum P capi 



potcll 



