fin._^ d(P{ i_4- f cof. 4) ) 



' f -f coi". cp — (^'-Tcor.cp)' ' 

 g + c of. (p _ </(p(i +g cof. <:[)) 



^^' '^- fin. Cp — ikTcp^^ ' 



f + cof. Cp (^*- Of/Cpfui. C|) 



V. ^. 



VI. d. 



VII. ^, 



VIII. d. 



IX. ^. 



X. ^. 



i+^cof. Cp"" ( I -ff- col. Cp)= ' 

 I + e cof. Cp _ (i — e^) d(^ l\n. Cp 

 y+ cof. Cp ~~ ( ^ -f colTtf)^ ' 

 y(i+2gcof.(|) + g'J _ ^Cp (i + g cof.C p) (f+ cof (p) 

 fhiT^ "■ ~ iin75)^ V^r+sT^ col. Cp+f') ' 



y(i + 2gc of.(p+g') </(pfin.(p(g + cof Cp) 



r+7cof (p ~" (i+^ cof.(p7V(iT2 ^ col.(p+r) ' 



y(i+2£Cof Cp+^ ^Cp fin. Cp(i+ f co f Cp ) 



f + cof Cp ~~ (f + col.Cp)*V (i + 2^cof Cp + f^) ' 

 fin. Cp ^(p(i + gcof (p)(g + cof(p) 



y(l+2fC0f Cp + ^^j , , cA^y.^V ' 



\ * ^ ' / (l + 2^COfCP+f ) 



' i+fcofCp ^Cpfin.Cp(g + cof Cp) 



XI- ''■y(r+i77oW+-7)--— ^-7^— j- ; 



^ + cofCp _ ^Cpfin.Cp(i+f cof Cp)_ 



X»- ^- 7(7 +i7,oi-$T7'l - - —-Te^f^^Z') ■ ■ 



§. 7. Quum in fuperioribus allata fit formula pro 

 arcu fedionis conieae, ad quam igitur reducitur iftud dif- 

 ferentiale propofitum , quoties per folum arcum EHipfeos 

 vel Hyperbolae exprimi poteft , nunc etiam e re erit , vt 

 ollendamus , quomodo fe habeant formulae , ad quas iftud 



difFe- 



