70 D E C O M P A R A T I O N E 



fit M — C-f-L, conftans L ex fcqucnti aequationc 

 dcbct dcfiniri : 



o=4.AC~4.BB-}-+AL+ 2(iBL-4-4AD)(c-Hi;)-i-(4AE 



— LL){aa~{-bb) 



42(LL-i-2CL+4AE-|-4BDV^-|-2(jDL-4-4BE)fl^ 



{a -^-b) +4 (CE-DD+EL; aabb 

 Tnde fit ; 



. ^U^^B^^-ib^^Cab-i-Babia-^b^-^-Eaabb^tlt^tl^^^lt^^ttJ^^^ 



{b^ay 



et radice extrafta : 

 ficque erit 



JVT — 3A-)-,BfJ -t-?))-f-Cfda->-tfc:-4-iDat:j-4-Z)l-4-i EaaJftJ 

 l»l_ -^ (6-a)» 



dl it^ "^(A-h2Ba+C^fl+2Dfl'+Ea*](A+oB^4-C^Z;+ 2DZ^'-+-E0 



Quo valore inucnto fi iam definiantur \aIorcs coef- 

 ficicntium a, S, y, (5^, e, ^, quoniam ex dato cur- 

 >ae pundo P datur v.iriabilis />, cx ea valor ido- 

 neus variabilis e/, cui curuae puiictiim (^ rc(ponder, 

 dctcrminabitiir pcr hanc acquationcm 



O—a-^^p-] q)^-y(pp.^qq]^2Spq-\- o.zpq'p-^^q)^^ppqq 



ex qua fi breuitatis gratia ponamus : 



A-M(M-CAh4M(BD-AE;+4(ADD+BBE;-4BCD 

 habcbitur : 



I y-i-^tp^ipp 



ricque 



