"-.2^.1 ) 32 2 ( S-i^*- 

 Pars dextra. 



— lix. fin. ifin. r ~lii.(\r\.i{in.{r—2p} — lyfmA('m.{5r-ii.p) 



-f l V fin. i fin. r 



— ^^jffin. ifin. r — IfjL Jrfin.ifin. (r- 2/))— iKJrfin. ifm. (3 r-2i)) 



4- ^ V jc fin. i fin. r 



— I {xj fm. i cof r-h fv^j^fm.TCof r-f-ffj.^fm.icor(r~2p}. 



— I y j fin. l cof. { 3 r ~ 2. p ) 

 ^ z —'K'^ z -\- l z Cm. C — l fin. i' cor ( 2 r ~ 2 p }. 



§. 61. Eodem modo quo ante pars fmiftra ita 

 referatur; 



— 2 p / fm. r -i- a (3 fin. r 

 4.^H-2pcof.r.f^-2^fm.r'^, 

 -I- 2 (3 /j' cof r -4- a [3 j cof. r — (3 P s; 



— 2 p / j^ fm. r -I- a (3 ;f fin. r 



quocirca aequatio tertia modo ante tradito difpofita erit 

 ^^-|-2(3cor.r.2-^-:.pfm.r.Jf 



— 2 f3 / a: fm. r-f a (3 .V fin. r + 1 [i^x fin. i fm. r + lfxx fmjfin.(r-2/)J 



4- J y jc fin i fm. ( 3 r — 2p ) — -; ;/.v fm. i fm. r 



— 2 |3// cof r -f apy cof r+ ; [x y fm.icoCr — |ujfin.i cof r 



— I {X.>' fm. 1 coi: ( r — 2p )-l- ! vj fin. i cof ( 3 r- 2 ^) 

 4-~-|3ps + XX:;-|2:fm.r4--sfin.i'cof (2r-2/)) — 



zfz 2 p /fin. r — a [3 fin. r — ' fx fin. i fin. r+'fxfin.ifin.(r-2^) 



— l y fin. i fin. ( 3 r — -2 ^ ) 4- s V fin- i fi». r. 



§. 62. In huius aequationis parte dextra potifil- 

 mwm ccnfiderari debet terminus fin. r, coefficiente: 



2 (3 / - a (3 — I fjL fin. i -H I J' fin. i 

 afFedus, qui nifi penitus abfit, id erit indicio , inclinatio- 

 »em orbitac lunaris i non rccfle efie affiimtam. Tum enim 

 • valor fitcrae s ncceflariQ inuolucrct iiuiusmodi terminum: 



i. fin. r 



