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Putnam
1956 Putnam
A7
A7
Part of
1956 Putnam
Problems
(1)
Putnam 1956 A7
Source: Putnam 1956
7/5/2022
Prove that the number of odd binomial coefficients in any finite binomial expansion is a power of
2.
2.
2.
Putnam
binomial coefficients