CorQllariam ^ 



§. M- Reveitamur ad feries E-et F noftri Proble- 

 matis , qnae, fi a in iis negative capialur, ad fequentes 

 conducunt: 



d — fin. :i — a fin. {o. -h (p) -^- -^^ ^m. (« + 2 Cj^) 



— J^„ fin. r a -1- 3 0) H- etc. 

 % =z cof. a ~ a cof. ( a -|- Cp ) -+- -^ cof. (a H- 2 0) 



— ^L^ cof. (a 4- 3 4^) -h etc. 



et fi iftae feries, qifarum fammae lunt 



(i =r e-"fm. (a — i;) 



% ~e"~" cof. (a — v) 

 ad feries E et F addantar, ab iisque auferantnr, prodibunt 

 fequentes: 

 . ^±-^i=fin.a-t-^rin.ra-+-2Cl))H--^rm.(a-f-4Cp)-4- etc. 



^ := cof. a -+- J!l cof. ( an- 2 (|) ) -H -"!- cof. ( a -f- 4 Cp ) -^ etc 



l7®r=«fin.(a-+-^)-H-^/m.(a-^3C[^)-+-£^jfin-('^--^5Cl:)-^etc. 



L:^— acof(a+-:l;)^^-4-.cof(a-f-3Cl))^-^-^cof.(-'.-^5l^>etc. 



quarum ferierum fiimmae eriint: 



^^ = ieVin.(aH-z;)-+-^e-"fm.(a-i^), 



^J — ie"cof. (a-(-z;)-f-|e~""cof. (a — 1^) , 



L--® — ^e"fm.(aH-z;)-^e-"fin.(a-z;;, 



I=ii = ie"cof.(a-+-i;)-|e-"cof.(a-i'), 

 quae fummationcs omnes, in fallor, nov^ae funt. 



NoL-a Ma Acad. Inw. Scicnt. Tom. XIL S Pro- 



