Nova methodus etc. 4^9 



/(2ri— 3)(2/i— 4) (2rt— 3)...(2n— 5) (2n— 3)...(2n— 6}\(,«— 1) („,— 2«-f.3) 



}\(,„_1) {„,—%,■ 



) 2.3. 4... (2/1— i) 



-}- cic. 4 



2 2.3 2.3.4/ 2.3. 4. ..(2/1— 3) 



(m— 1)(,n— 2)....(m— m) 



2.3.4...«. 



Ilae aiitem e.tpressiones, quamvis sub forma diversa, tamen 

 sunt illae ipsae quas superius invenimus pro coefficientibus 



Aj n > ■'^J n-t-1 • 



