CVIVSDAiM DIFFERENTIALIS. «7 



ita vt noftra aequatio intcgranda fit : 



^u ( ,v.4-npv«-f-Cp- V:«ADppuu-f--C pu(A4-Op p>-4-CCp ,^4(P ff-A)^) 



dp Dpp A 



8. Ifta formula irrationalis hoc modo rcpraC' 

 fentetur : 



y((2/)«yAD-i--TyT-D-) H- ;td ) 



ac ponaiur 



^ t/ A -r» 1 C(\-t-Dpp) ( Df)0— \)5V(4AD— CQ 

 1 c ■ r r 1 r J (Dpp— A) V> A D — CC)(i-t-«) 



vnde fit ipHi formula lurda ziz - ^v ad ^ 



ct 



C-A-t- Df p1 (Dpp— A ) t V(» A D — C C) 



hincque 



/\J -ny^^U, I /^ . _- C-Dpp-A)'H-rA-KDj)pyDpp-A:iV(4AD- CCj 



(A4-D/>pj«H-Cp_ 7-^ 



ita vt iam nortra acquatio fit : 



fdu -C npp- \: -t-' .v -t- Dpp:5 V:-tAD-CC) VUAD-C CXi+s»^ 



dp +ADj> iVAD • 



p. Inde vero colligimus : 



J -CJp :P?p-A_) , s.ip(, A-l- D pp; V: t A D- C C ) d?(Dpp -A)V :.AD-CC| 



*"— 4ADpp "T" ♦ADpp T" 4ADf 



ita vt obtincamus 



pdu -QDp p-A) ?;A-)-Pj) p) Vf4AP-Cr) is:Dpp - A}V(4AD -CCj 



dp +ADp ''" ♦ADp "T" 4ADdJ) 



qua formula praccedenti acquata commodifTime vfu 

 venit, vt pleriquc termini Ipontc fc tollant , indeoue 

 exfurgat haec aequatio : 



rii:Dpp-A: V+AD-C C) -V'4 AD -C C)( i -i-s s) 



♦ JLDdp aVA"D 



"vnde 



