1 \rightarrow A

\sqrt{2 A + 3} \rightarrow A

$ \text{   }A \text{ vaut } u_{n+1}\
\text{si on répète }n\text{ fois} $

A \text{ vaut } 1

A = (-0.5592195705432031, 2.495111298241193)
B = (-0.5662410219716127, 1.9450589254217543)
u = Vector(A, B)
C = (0.08675396087048644, 1.3203080822194293)
D = (0.8520921665671403, 1.564775803472513)
E = (0.2622902465807282, 1.9450589254217547)
c = CircumcircleArc(C, D, E)
F = (0.1429255722977638, 1.8499881449344442)
v = Vector(E, F)
G = (-1.0156139133898314, 2.929720580468898)
H = (-0.17303974198067132, 2.929720580468898)
I = (-0.1660182905522616, 2.5901820787285037)
J = (-1.0085924619614217, 2.5969728487633117)
poly1, g, h, i, j = Polygon(G, H, I, J)
G_1 = (-1.092849879102338, 1.8160342947604047)
H_1 = (0.2061186351534508, 1.816034294760405)
I_1 = (0.2131400865818605, 1.4764957930200107)
J_1 = (-1.0858284276739283, 1.4832865630548184)
poly1_1, g_1, h_1, i_1, j_1 = Polygon(G_1, H_1, I_1, J_1)