i3i 



/•>^ r-*s f/M + 2 tt X(\— i) . (* +2 ) *~ 



P(J)cof.^cof.^^zr(^^(^ 3 ) *-' 



4- 8 



6 — (^ 6 )ft-*-5)fi-^-4) * 



4. 8. 12 2/' 



g _(i. ^8)(t-4-7)(^6)(; + 5) 7f 



/a$cof.i4)cof.4)' 



p$cof.£(J)cof.$ ; 



4« 8. 12. 16. 20 z l 



etc. etc. 



§. 29. His iam terminis colligendis et multiplican- 

 do per z l ~~~ x oriettir fequens expreffio: 

 a '-iI-(i)+i^(t+») + !J±*-ll±i-(i + 4 ) + '^'»'';'"'^ '<i-Kg) 



H . C-H- 8li .->-7. 1 ,^ 6W^ll (j+g) . + etC. 



quae foima iam continet deteiminationem omnium termino 

 rum feiiei, in quam formulam: 



= (o) + (i)cof.(p^(2)cof.Cp 2 -+-(3)cof.(J) 3 -f-(4)cof.([) 4 -+etc. 



evolvere erat propofitum , quam hoc modo ha&enus reprae- 

 fentavimus: 



= A+Bcof.$>-4-Ccof.2(f)-+-Dcof.3Cf>-f-Ecof.4Cp-t-etc. 

 cuius finguli termini per fequentes feiies expiimentur: 



A -(°)-f( 2 )-H(4)-^(^)-^(0-eta 



i.B = (i)H-l(3)^^(5)-]"-(7)-^^(0-etc. 



a.Cr:(2)^(4)+^{6)+ 8 -^(8)+^^(io)+etc. 



\ J 4\ r/ 4 g v f 4. 8-l-S / 4. 8. 12.0.6^ / 



R 2 4. 



