171 
a radice vera unitate minor sit, hoc p'aemisso ex theoria 
acquationum constat (vid. Institut. Calculi differentialis etc. 
Auct. Eulero. Cap. IX. de usu calculi differentialis in 
macquationibus resolvendis), radicem exactam aequationis 
—propositac esse : 
+ F2, d2x, F3 23x F4 d4x 
—/ it is ON rs OT bia —— etc. 
Se AE 32 
ubi in expressionious F, 5%, rx» etc. pro x.valor f as- 
sumi debet, Proinde y, vel 
: F : ÊE x Fox 22% F3 23% 
Radix quacsita — f — — = + À © DEF ras” rx CC 
eritt Cum vero haec differentia, per hypothesin, unitate 
minor sit, methodus (. 3. ad illam inveniendam adplicart 
iterum potest.  Quo autem calculus facilius instituatur, 
ponamus, quañtitatem F, posito x—f, evadere T. 
: dx 
porro . . . ° 5F rs . . ° . œ 
dx 
. ‘. te s . (3r)2 ° . 0 . 0 . B 
03x 
, . . . e (0F)3 s « CE - CRE - Y 
. . , . SELON . . . < 2 HELE 
hoc modo habebimus : | | - 
= Ta. Se mp nets, vel 
= Te T3 EE 
ÿ=—Ta+s Ben rt So d — etc. 
jaec series cum forma ñostra gencrali (. 3.) comparata, 
_ 
