CORl'0:iVM FLEXIBILIVM. 295 



I. dT -^V d(p — pds 



IL ^V-T^/$> = V^^ 

 111 V (i fznd.V V 



quibus :idiun:;,i debet priiicipalis hic primo loco in- 



\cnu 



IV. Vvzz^-P 



ds 



\bi intucnti null.i prorlus con-ucnicntia cnm praece- 

 dentc IbUitione patebit. Vnde eo magis necefTdrium 

 videtur, piilcherrimum conieiifum inser hns duns (o- 

 lutiones toto cotlo quafi a ie iniiicem difcrepantes 

 demonrtrarc. 



Demonftratio confenfus inter has duas 

 Iblutiones. 



§. 13, Hic igitur ante emnia ipfas vires elcmen- 

 tares iu quaellionc propofitas , Prfx et Qds intro- 

 ducamus , ct duac acquationcs nollrae pnorcs hanc 

 induenc formam; 



I. </T-f V ^d) — Pr/i-cof. (p+Q^x fin.Cp 

 II. ^\'~Td<p-V^s fm. (p-Qd s cof. (p. 



lam illi combinatio I. cof (p -|- II. fin. <$> pracliet 



^T cof 0-T^<|)fMi.CpH-fl' V fin. Cp-f V ^4)cof(|) — P</ir 



cuius integrale eft 



T cof. CJ) H- V fi». (p—f?ii s. 



Deinde \ero ifta combinatio I. fm. (|) — II. cof Cp 



praebet 



</ T ftn. Cp + T <^(I) co(. CP - <^ V cof (p 4- V rfCp fin. (p = (y/ 



et inte^rando 



Tfin. Cp- Vcoi:cp— /q</y. ' Nunc 



