June 2009
Intermediate to advanced
1100 pages
42h 22m
English
Let the equation of the sphere be
Let this sphere pass through four points (x1, y1, z1), (x2, y2, z2), (x3, y3, z3), and (x4, y4, z4). Thus,
and
Eliminating g, f, h, and c from (1), (2), (3), and (4), we get
EXAMPLE 11.66