MOTUS PlANETARUM, 53 



z / M I -*'\J =aB: 44\i^8S , 5 JJ ^8 S Ji n'r + 88UU 16 16" 5 J ^ (xl -) 

 i ° ^ J J ''/ ==! 44 S>5^8.11'4 • JJ ^8.11.11.16 J J ^8.11 I116.I6.lo- 6 J +0wl "i 



1 TV 1 c s \ — ?-?-7.9 /Li  7_9 L-i f 9  7. 9. 1 1  1 ; i_4 .4 . s, r , 



t l I 1 ss ) -—4.4.8.8 w~$* nrn- 4 .!" + iiriTT6Ti6- /rs - f -t-o-c.j 



i Z^f r if) =— >'-' 7 » ' ,. ' ('— L .+. 2_U *J f f _i_9- I I. M.I t L_4 - 4 . *r r \ 



2 yC r , ,\ ; ?.7. 9. II. 1} f '■*■ j . I I . I i l. j 4 I „ , Or„ \ 



T-41 1 — Jj j — 4.4. s.8. 11.11 i?T-6 ■+• I6.-P6- yTi ss ■+" &c -) 



LV(i f f \ ;.?■ 7. 9. ii. M M M- i. j . n. it i.;.4 . o, , 



1 ^ ^ — Jl V — 4.4.8-8. 11 11 16 IjTeT? "+■ 16TT5- fer^fj-f ■+■ &C.) 



iZ(r— ffl *' f - 7 9 "'i l(17 l" 1 '4 1 't- 17 13.45 . o r „ \ 



, ^U — J^; — 4-4 8,8. m- ii. 16.16 (y^Tx ■+■ £ofio< g-f-f-j J J -+-&C.) 



&c. • 



§. LXX. At vero non opus eft ut finguli ifti valores 

 evolvantur , fufficit enira duos priores collegiffe , ex 

 quibus reliqui per feqnentes formulas facile formari po- 

 terunt. 



R __ 4 <g— 1. 1 P „ SJ R — s Q 



s s ' 3 is ' 



y = — — — 5 r = &c. 



Quin etiam ex prima derivari poteft fecunda , fi ince- 

 grationem in fubfidium vocare velimus, eft enim 



Sin autem quxr icur valor prima; feriei , dico eum per 

 integrationem inveniri pofie , fumendo s conftans , 5c 

 introducendo variabilem f foreque : 



Si poft integrationem ponatur j= s; utrumque autem inte- 

 grale ita capi fumo , ut evanefcat pofito j = o, quo cafu 



