134 BE EX PRESSIONE 



Coroll. 2- 



32. Prima forma et qnarta flmul valebunt, fi 

 difFerentia inter a et b fit vnitate minor, ideoque ct 

 incer c et e. Atque omnes quatnor fimul locum ha- 

 beb.mt , fi infuper differcntia inter a et e fuerit vni- 

 tate minor. 



Coroll. 4. 



33. Si ergo ponattir a — p-\-m\ b~p-\-n\ 

 c — p — m et ezzp — n y vt fit a ~\- c zz: b ~\- e zzz zp , 

 fueritqne m-\-n <£i, erit 



~t— /^-Vr^i - xf- m _p-\-mfx*- n yd v(i- s)"-+- ,w 

 p + ~n' fx<-+- iu - l cix(\ ~xf I " i ~'p~-\-lij x%^*dx\,i~x)*f$ 

 p-m fx^ n " i dx[i-xY n ~ m ^p-\'Vifx^ l - l dx,i-x r '- n 

 P ~ pr-nfx?-**- 1 dx(i-xr nrrn " p - tijx^-dx: i~xf u - n ' 

 Atque hae quatuor fbrmulae inter fe eruat aequales. 



Problema 5. 



34.. Per formulas integrales esprimere valorcm 

 huins produ&i iufiniti ex mcrrusris triplicatis cenftames, 



' aef (a~\-i){c-\-\'(f-Vi^ (a-\-z\ c -\-z)(f-\-z) 



P — — LtC 



keg {ff^i){e^)ig-hi)'ib-i-2^e~j-z)<i^-i-ty 



S O 1 Ll t i 0. 



Cum inuenerimus §. 25. 



fx m - t dv(i-x n ) !i -' 



erie 



