57 



c :=: ~^ ?gg— / /V / ~ • J"'" "^'^'"^ q"''^ '^o'^^ sokuio tantura 

 a ratione inter literas a,h,c,d, pendet, primo dcnomina- 

 tores omittiimu?, num<rii>toies vero per coîiimuncm di\isorem 

 3 dividamas, hocque modo sequenics obtinebimus vaJores: 



c-/4+2//g § + §§•. 

 Ex his derivemus literas p,q,r,s, quae eriint: 



P = 8//g^' (/* 4- 9^%^ r -p + Sof^g* -h 8i9«, 



<? — — (/* — 9g'y ; ' szziiôf* g\ 



Pracstat antem a primis valoribus /et g, pro arbitrio assnm- 

 tis, per giaduSj primo ad litcias a,b,c,d, hinc vero porro 

 ad literas p,q,r,s, hinc deniqcic ad ipsos numéros qiiae- 

 sitos x,y,z, ascendere. Ubi imprimis notasse juvabit, 

 iinnc calculum per valores negativos neatiquam turbari ; 

 semper enim eoriim loco valores positivos tuto scribere 

 licet. Hanc invesiigationem nonnullis exemplis illustremus. 



E X e m p 1 11 m i, 



quo f :=: l et g — i, 



§. JO. Hic ergo erit anzdz=:4; hzziB; c:=:i2, 

 qu valores depressi tkint azudirzi; 6:rz2; r — 3. 

 Hirrc porro colligimus p z^ 5 ; q ::zi 5 ; r zzz i -, s ^zz i^ 



Niânotrci d: VA.ad. I./'V. ^ 



