•4^ } "5 ( |c|-«- 



/Tv m + fe «i + 6-f- 1 m + ft + tti m+1!r4-i>t /•v.'n + /« — t j tr 



^ — -^ • ~^r+"r" • ~is+-j ^- • ~i;rTrn~' ' - • J ^ « v , 



et pro eliminanda formula integrali infinita /a:'""*""'—'!/^" 

 fumatur m — n , ftatuaturque 



r (l _;rl]l-fe 



quae formula per fimile produdlum infinitum exprimi , fi- 

 mulque integrari poteft. Ponatur enim 



1 — x'^ — 2^ vt fit x"--' ^x — — js""" dz ct 



n 



y (i — A:''}'*""^=ra''~"'' , fietquc 



\bi , pofito jf — o , conftans ita definitur, Yt fit C— J, 



vnde colligitur 



k 



hincque pofito x — i erit 



§. 23. Quod fi iam prior produdlum CD per 

 iftud Q)' druidatur , finguli fadlores vnius per refponden- 

 tes alterius, fadlor infinitefimus 



/.Y^-^'"-' dV 



fx"-^"'-' dV 

 vnitati aequabitur, quo obferuato orietur ifta exprefllo: 



Q 3 Hic 



