-S^.€ ) 4- ( S--?->" 

 Sityfer3,entq"cAtapgA;'=Atang.^-+Atg.-^^-~Atg:v 



ctc. etc. 



Haec igitur ferics ab ca quam fupra §. 20 inuenimus , 

 prorfus difcrepat, etiamfi vtriusque valor fir idem , lciU 

 A ta|ig. x\ 



Qiiaeflio piior. 



^. 45. Vropofita foymula differmiali 



i+A^cof.7;+A-^''* .V 

 eius hitegralis valorem inuejtigiarey qtii oritur fi pojl intem 

 graiionein ponalur x z:. x. 



Solutio, 



Cnm pofito X zz 00 in genere fit 

 Atang. ^1:^ = 7^-0), 

 valor integralis quem quaerimus hac ferie exprlmetur: 



Statuamus igitur 



S = (tt-P) cof.S + (^-a-p) cof.fv-} 5j + (7r-2a- ^) cof (2y + J) 



+('7r-.(/t-i)«-|3)cof((^-i)V-t-5), 



vt fit valor quaeiitus ^-^. Multipliccmus vtriaque per 

 a fin. i y, et cum fit 



2 fin. 5 y coC q ~ fin. (5 y -f- ?) — fin. (? — i vJ^ 

 liaq r^U(flionc adhiWta fiet; 



