— dl 
Ni=2 
Fraction continue | Cercles reduitsn Courbe modulaire 
4 | (e MPeao DE == 9g a ; 
(@=22)ee,=27 
(4, a 2] | Gea Va 49 = 16R,° 
(+2)? +gy2=2 
D( e Pe Oy=1 i gl î fi 
= % di | 2(0—-1)+27=1 ER =BI6R72 
2a + dy?= 1 | 
= 
(a —2)}=y8=3 
> | VI (7A = 
|4, — 4| (e + ot y=è 
| suoi | 
dex —_ | (@==-y= 
| (Goe= fe=92=8 
2,9, — 2,2 | Si ho Lp 
| | 3(@_1)°+3y=1 
Gc === 
| gg) | Ansa 
2h È | 2(e°-y)—6r+3—=0 | —(R1--1)/=0 
ey) | 
r_ 1)}+ y = le 2"R ER33)? —2 ‘R,°R»? i 
@aE 0 ; = noe qpe=t I d5 213(Y2_ a 98.3.7.R% 
pod 1 (aa | 216x272 91.32(Y2— X2)c= 8% 
2 sio 9(a°+ 3) —2r—1=0 20) 
n) (@ fa pz i i PR I EA 
o=4+0 A 
A IAA {(R192321R.5 2 
(3a? 32-40 Bo 
ye —2+ GUISA 1 | Sa 8y— 8a +4=0 TERREI ( 
—2+ 0 3a 3,4 8e+4=0 
| dota 3 40 =0 
E ERE NT rea i “Pa 
AOTRRRE] 4x4 4= 1 
(0) [E io a (Raf 27R2}? 
1 | 40-30 | ; 10 3 2] 
Ces NPelf= ps | EE 
a MU 1E%, E Se 
Q 4r+3=0 
