SERIES SINGVLARES. 155 



prcrfus vti prima mcthodus pracbct ; hinc crgb fit 



Scorfim autem hinc ferierum /i-^ (-,) ct /l-(-) fum- 

 niae non definiuntur. lufra autem oftendemuSj eflc 

 /^(^j^S/^./b-S/^ et/L,C^):,:-,/L,./L, 



+ T/iT. 



Ordo quintus , quo m 4- « = 5. 

 15. Sit primo w— 5 ct ;;— i , eritque /-.-./i 



-/? = +/£s(;-) 



- ^/r. 'f~. - ^A^./L-r +/I ^y +/5. (5.) + r^^ 



+/;-T(p+/;^cir) 



vndc fit 



/^ (p) +/5. (>} +/.^ (i-,) +/,4 (^) + ^fh Cy) = 



/b-.a + 4/^./^-/^. 



Cum autem prima mcthodus det 



/4(p)-i-/^C)=:/i,./^H-/L, 

 hiiic terminis infinitis eUdcndis fit 



/'.-a (>)+/bc>)+A:-,(>)+/L-. (^M=4/:-. ./.^-^/i-.. 



Secundo fumatur m-\ et;/r2 eritque /'-./i-,-/'-gr: 



+ ^/fc-/T.+«/b/;.-/;-,(>)-=/;-,(;y-3/i,(» 



-+/k(j-) 



V 1 fiue 



