/ 



II. 



.Y^ .V'~ P 1 p l X ^ X 



ab .V = o" 

 .V [J x/ b^ti X — I_ 



III. 



r x^ -h x~^ — z — l p p (I xY dx fab x = c~\ 



J A * x(/.r/ Ud .V =z I J 



■.fdpfdpf?dp. 



I 



IV. 



x^ — x-^ ~ 1 p i X ~ i p^ {i xy 



^x 



ab A" =z: 

 ad .V z= 



n 



x(/jir/ 

 ~fdpfdpfdpf?dp. 



V. 



/ 



j^-f -+- .v- ?- .1 -i p p a xf —i^ p' n ry d x 



d X ab x :=r o 1 



'x{/xf Uid -V =: I J 



= fdpfdpfdpfdpf?dp. 

 ctc. 



vbi iterum notctur formnlam integralem /P 5/> adu cxhiberi 

 pollci erit enim 



fPdp z=/^ tang. ^ = — / cof. ^ =1 -h ; fec. ^ . 



Hic probe notandum eft, fradionem -^ lemper effe debere vni- 

 tate minorem. 



ORDO 



