{ 296 ] 
Ac proinde erit 
S= ’ * ' -- 5x7 
• z 4x6 1 
, c x 7 OXTI 
TX + xi< x r 7 Ti^ + t 
C X 7 O X T 
X X 
13 X K 
4 X« 
b A i l 
I 2 X 
7 b +• &c - + r 
B 
xi-f 
?/>* Tb* 
-=;+ = - + : 
+ ,&C. 
rXr + 4 r + 4*r-f8 f-tv^ + AZ r-fl^Xr+16 
Itaque fi, computatis, exempli gratia, quindecim ter- 
minis, decimus lextus defignetur per B, erit r t= 1 5 x 4 
= 60, et fumma terminorum quindecim illorum addita 
fummae feriei 
B 
riX 1 
4 - 
3^ 
r x / 4- 4 — j- 4- ^ - 1 - 8 
■4-, &C. 
dabit valorem coefficientis S. 
Determinate hoc padto quantitatibus afiumptis R, S, 
T, &c. jam ut ad exprefiiones virium revertamur, vis 
<pk 
<p 
s 3 
k x 
p = 
I 
= — S» 
eftque 4=4 in R + S cof. 4 +T co f.-s + V 
1 z 3 t 3 I n 1 n 1 
cof. 
— s 4 - W cof. — S 4 -, &C. 
n 1 71 1 3 
Unde vis T R = in R — — — X fin. — s 
r k i 2 n 
+ 
S — V „ 2 . T — W „ 3 . V — X 
fin. - j 4 - 
n 
fin. — s 4 - 
n 
fin. — s 
, &c. 
Et vis quse planetam Q^difirahit a Sole in diredtione 
radii QS^ erat - z x k col'. QSP — 1 — 4 cof QS P, 
Z / 
6 5 T> 1 7 U 1 / 3 Q 
T — R+^ R + — — F — S 
X cofi 
hoc eft, ~ in 
2 
