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Putnam
1951 Putnam
A2
A2
Part of
1951 Putnam
Problems
(1)
Putnam 1951 A2
Source:
5/25/2022
In the plane, what is the locus of points of the sum of the squares of whose distances from
n
n
n
fixed points is a constant? What restrictions, stated in geometric terms, must be put on the constant so that the locus is non-null?
Putnam