166 oe motv corporis 



Tum yero r 



. ■ j o a(r-4-J5(dr(i — ts) — ds(rr — A) 



t dw — wdt~ 4v>r— ,)(»— TFi — ~ hmcqiie 



X xivJT^ TP j X yt d 'w--~ Tudf) 08 (rr — ;; ) (iir^ ( i — s;)«— rf;?{rr — t *) 



w 1» 4 (r r — 1 /^ ( i — £0^ 



2<S. His -valoribus fubftitutis noflrae aeqiiatio- 

 nes in fequentes transformabuntur : 



T (rr-s{):J rVi-si) -^-ds^( rr-,)) .^,_7m j. . , A , «B pv 



Ua a(rr-nydr*u-»)*-clt^(rr—)' ) , i^^/, ^ ,/iv, 



feu vtramqile acJhiic per ww—\aa{^rr~-i){\-ss) 

 diuidendo : 



T t(rr-H> : dr»( i-s s)-»- cii»(rr-T)) »«ls., /'A , » ' , /^t •! rf'5)* 



y, (rr-ssX dr»(-ss;»-^irVr-,]') _ ->^. , A(-^rO R^-rs) (-r^sjd$» 



11. Crr-.r(.^s5,* _W^CP ( ^^_, + r_s + Dj - <77=TJ,-.^) , 



27. Hihc iam \triusque diSlrentialis dr ^x4s 

 ratio ad d^ deiiniri poteft; fcilicet 



haec combinatio I. (rr— i)-t-II. 2 dat 



•^;tirS^'z:m^Cp'(^Af-f2Br4-C(«-i]+2D)-^:^ 



haec vero I. (i— jj-) -4- II. 2 dat 



f^;g^f-=^^<I)^ (-2 A.-f 2Bx+C( I-..) - 2DH-« . 

 Nunc illaiB pe^: hanc diuidendo efficitnr : 



{i-ss\dr^ 2/«(B+A)r+wC{rr— ij-f-swD— ^^*",^ 

 («•-ij^j. — a»»^B^^+wC(x-yj;-2»/D-7^ 



Confe- 



