«>2^.^ ) 153 ( !??<• 



Hic antem ex cognito initio motus conftans C determi- 

 nari debet. Cum enim initio fuerit (p=:o, ^^-O et s-l^ 



conflans ifta ita definietur vt fit C :::: r, ita vt habeamus 

 hanc aequationem: 



^ jfin.Cp-co(.Cp-+- I 



fiue fi vt ante ponamus i^ — ?, erit 



{*^ ^- s s) q q z=z 6^ [s fin. (p - coC (J) ^- i). 



§. 5p. Refumamus nunc valorem pro X primo 

 inuentum, qui erat 



- i </ ^/ (p ^- j i Cp^ -I- 3 ^ ^ ^' fi" 

 " -s d d(p-\- ^zdt' coU(p ' 



modo autem inuenimus 



dd(b — ^-^^4^'-^ ^2sdt'co( (p-{- i6dt'rw .(t> 



\bi fi loco dcp fcribamus qdl erit 



d d^ — ^^' (^ -^ ^ ^"^ 3'^-^^"^- '^-^ igfi n. 0) 



Ac fi pariter in valore X loco </($) fcribamus ^^z", ha- 

 bebimus 



^__ -i</</(t)-4-J</ y<//' + 32<//' fin.Cp 

 "" — i f/^(^ -f- 3 2</r cnl. (p 



Tbi fi loco ^^ valorcm modo inuentum fubdituamus, re- 

 periemus 



y^ 4-8J"^^--<y4-fC0f^-f I53t5fin.^ + 4j'9^4-i28 >f/fin.^ 



— 2S sqq — (J^jfin.tp-t- iS^s col.^ 

 jif^fl Jcad. Imp. Sc. 'lom. VL P. /. V vbi 



