MathDB
Problems
Contests
Undergraduate contests
Putnam
1948 Putnam
B2
B2
Part of
1948 Putnam
Problems
(1)
Putnam 1948 B2
Source: Putnam 1948
3/15/2022
A circle moves so that it is continually in the contact with all three coordinate planes of an ordinary rectangular system. Find the locus of the center of the circle.
Putnam
analytic geometry
Locus