unde porro colligitur 



* zd l s - - - - -+-X(X-i) Az x -+(X-hi)(X-^)Bz x+2 -+etc; 



~|4f=-X(X-i)Az x - 2 -(X+iX^2)Bz x -(X-f-3)(X+4)C^ x ^ 2 -etc.. 

 -+- z -lir - - - - -+-XA* X -+-(X-f-s) Bz x ^-hetc. 



— nn^- - - - - — uuA^ — nn Bz x+2 —etc. 



Cum igitur effe debeat ^sti {%% — i ) -+ -^-* — n n s ~ o 3 

 omnes termini feornm fe deftruere debent , unde ftatim ex 

 primo fequitur effe debere vel X rr: o vel Xzzzi. His ergo 

 binis valoribus primi exponentis X inventis valor s fequen- 

 tibus feriebus geminatis exprimetur: 



^Az° + B2s 2 + Cz 4 + Dx 6 -1-Ez 3 4- etc. 



$ -z %%?■ + ^z 3 + Cz J + S^ + Cz 9 + etc. 

 ubi igitur totum negotium eo redit, ut coefficientes rite de- 

 terminentur. 



J. 10. Confidcretur primo feries prior: 



5z:Az° + Bz 2 +Cz 4 +Ds 6 + etc. 

 et cum inde fiat 



zzdds ~ - - +2Bz 2 + 4 . 5 Cz 4 + 5.5Dz 6 + etc: 



d* 2 



- 2 B - 4. 3 C z 2 - 6. 5 D z 4 - 8. 7 E z 6 - etc. 



-^zds—. .. ,. _+. 2 Bz 2 + 4X2 4 ■+■ 6 Dz 6 +etc. 

 — nn s ~ — n n A — n n B z 2 — nnCz 4 - n w D z 6 — etc, 

 pro coefficientibus fequentes emergent valores: 

 B = — ^ A , 



Q . ( n n — 4 ) g 



- '3.4 



D = 



