= C"7) = 



Exemplum. 



§•55' Propofira fit foimula ordinis primi, vbi p-q—z 



/v 5 V 

 — '■ '- . Series i^itur pro S inuenta erit 



O Y ^ ^^S ^ 6 • S ^ 5 • 15 • J "<~ S • Ta • TJ • II 



-+- s • i*2 • n • 5? • 1? "*- etc.} . 

 Subducflo autem calculo reperitur 



3 



S = 0,54.325 x/ 2 — o, 58445 , 

 qui ergo cft valor formulae (2, 2) in ordine i'"" §. 22. vbi 

 inuenimus (2, 2) zz: -, ita vt iam fit Pi=-A_. Eft vero 



A = :^ = I, 20918, hinc erit P nz 2, 22582 :::^ (i, i), vn- 

 de in fradionibus decimalibus ternae formulae ordinis primi 

 erunt (i, i) =: 2,22532 ,- (i, 2) =11, '2091 8 ; (2,2)1=10,68445. 

 Hocque modo edam omnes lormulas fequentium ordinura 

 euoluere licebir. 



P 3 ADDI- 



