Ellipsoid

eq1: x^(2) + y^(2) / 9 + z^(2) / 4 = 1
k = 1 (slider from -5 to 5, step 0.5)
p: x = k
m = 1 (slider from -5 to 5, step 0.5)
q: y = m
n = 1.5 (slider from -5 to 5, step 0.5)
r: z = n
c = IntersectPath(r, eq1)
d = IntersectPath(p, eq1)
e = IntersectPath(q, eq1)