400° The Inverfe Method 
VU af A pant oprs peer Sa AS 
is VA r™—1_— 1—m, y—* 
0 ——— =v 
m Gog My 
Whe itt 
m being lefs than 1. 
V Y N—2Z ___ ay—I 
‘i a , m == 0, therefore 
if goes t, then CS +53 x. lg. mat 
| n—1 
In the 4th value of ¥, m=o= s* X——> 
. m 
v:V::5:1; therefores7 =v; hence : 
s* x n—-1 v V 
Wena ore! oY and + So 
Q—s* X 1—1 VA Res cian 
1—m oe 
s being = 0, therefore the 4th. form is evident 
a 
from the 3d. Becaufe m= 5° X = and 
yy" 4) n—1 4 
S= pe therefore m= FEISS '; which 
2 
value of m being fubftituted for it in ‘the firft 
equation gives, when reduced 
, 
| i) 
