Mr . hutton on 
486 
7T—I 
6. Again, take /={, and the expreflion -777 will give 
* = j 
4 = 
(I = 
£ = 
J 7 
3 1 
1 1 
Id 
49 
20s 
69. 
742 
— 2 59 
f 5263 
Neither are any of thefe fit numbers for our purpofe*. 
8 T I 
7. In like manner take t-\ y fo fliall -7^7 give 
9 
47 
79 
£ -• 
_ 297 
" 6 79 
</ = 
e — 
/ = 
^97 
5729 
7B47 
47529 
i4°47 
388079 
8. And 
