i<J8 SOLVTIO GENERALIS 



Si hic vlterius ponatur bzzz a, fiet 



AzzziSnac 3 -i6na*; Bzzi6na*; Czz^nc*-2^na'c 

 et Dzzz 9 nc*,, 



fin autem fiat bzzz—a, eruetur 



A = — i6na*; Bzzz i%nac*-\- i6na*- Czzz$nc*\ 

 et Dzzz^nc*-\-2^nasC. 



Coroll 2. 



18. Ponamus nunc czzzo , eritque 



Azzzn{^b — a)d 5 — n(aa-\-zbbf 

 Bzzzn{^b\-a)d z -\n(aa-\-^bby 

 Czzznd*—nd(%b— a)(a a-\- $bb) 

 Dzzznd*-\-nd(ib-\a){aa^\-%bb) 



Si vlterius ponatur bzzza , erit 



A = 2 nad 3 -i6na* ; B - \nad*\- 1 6na* \ Cz:nd*-Sna'd' 

 Dzzznd*-\-i6na z d 



Sin autem fi-it azzz--b, erk 



Azzz^\bd 3 -i6nb*\ Bzz znbd s -\i6nb*\ Czznd*~i6nb'd', 

 Dzz:nd*-\-%nb 3 d. 



Coroll. 5. 



19. Sit nunc bzzzo, formulaeque noftrae fient : 



Azzzna{zc—d) (dd-\-^cc)-na* 



Bzzzna(3c-\d) (dd-\- $cc)-\-na* 



Czzzn(dd-\- 3 ccf-na 3 (^ c—d) 



Dzzzn(dd-\-zc cf-\- n a 3 (z c-\rd) 



Quod 



