54 OBSERVATIONES DE SINGVLARI 



aeque facile inftitui , inuenietur enim furama huius 

 progreflionis 



fin ^^Ja^-i! V Cit\. "^ V 



fm. ^ V 

 Deinde fi propofita fuerit progreflio 

 cof.v-f-cof. 2«-f-cof 3V. . . . 4-con«'y , 



ea ad hanc redibit 



p'-t-p' -}-/.. •+/>"^ q"-^q'-{-q' ...-^g'" 



quae iterum ob pq — ly in fequentem transformatur 



Vnde fi haec expreflio mukiplicetur per (p— j)pro- 

 dibit fumma progrefllonis noftrae 



_ (p''^' 4-?"-^')(/>^-'^'') _ cof. *-±-' V fin. 1 V 



— 2(/»-^) — ^n;;^^; 



At fi proponatur progrefllo 



i-+-cof.'y-hcof a^y-f-cof s-y .... +con«v, 

 ca fic exprimi poterit 



2 "^ 2 > 



quae ob /> ^ rz i , in iftam transformatur ; 



