SurvhorJBifs, 
2 73 
„ , " S bda me a" nf . a"' o 
^_x=i + !^ + ^-+&c.- 5K x_ + - ? - + 2 -J-+&C. + 
—7 * — “i 3 T r 3 * 2£f> r r 
2 a£ r * A 
S ca f d . c' -r a" 
&C. + — X- + 
2£C r 
&C. 
1 X ^ + ' ; .-A— 4- &C. 
2 ac r r 
2S 
ne 
.a -fa" 
4- 
&c. 
3 «£?^r r 
4* 
t 
S mi' 
y 
n . 
! 
a' -fa" 
+ 
See. 
a— A - 
-r 
r l 
S d. a 
y 
+'■ 
d -fa" 
4- 
&c. 
%acr r 
r L 
I 
S nea' of . a + d' 
+ &c. -f 
gahr r r 
J_x— + — - + &C. + 
2£ji?r r ? 
S ea f » a + 
lacr r < 
// 
-f &c., ’ and 
©f the three lives) will he — ^ into 
d BT — ABT , |3 * F — AF r — i . B — AB m . P — A P x . K AK 
67 4 24 2r ” 2ir ‘ 
j or (fince the firft five expreffions are 
TTi.C-AC d. T-AT 
2 r 2 cr 
r_ i . BC- ABC 
M, and the fix remaining ones = R-f W) it 
r 
Witt be= s— .bcT>E +r + w _ m , 
r 
When A is the oldejl of the three lives, the fame general rule 
may be obtained. In this cafe, by exc hanging the fymbo ls, 
S cbc ' , ms.c +c" , i Tf% 
the different feries will become = ^ * — + — + “ c * ■ 
8 f[Z^Ld±l + &cc. + * r x2=- + ^±^ + &c.+-; 
53T* r + r- T 3«* 1 r _ 
— __ I _ 1 " , /r III ^ 
aS x wt • ^ + 7.,-.-fl±£ + &c. + - x ~ + 7-+ — + &c " “ 
3 afc r ** r*\ ' S 
Vol» LXXXI. 
