u

v

l

rayon

nombre n

U = Sequence((n, 2 - 2 / n), n, 1, 40, 1)
V = Sequence((n, 2 + 3 / n), n, 1, 40, 1)
a = false
b = false
e = 0.30000000000000004 (slider from 0 to 1, step 0.1)
d: y = 2 + e
f: y = 2 - e
n = 2 (slider from 1 to 40, step 1)
g: x = n
h = false
i = false
j = false