07. PEN D2 (Putnam 1991/B4) Suppose that is an odd prime. Prove that
Archive for March, 2008
07. A combinatorial congruence
Posted in Problem of the Bi-Week on March 27, 2008 | Leave a Comment »
S06 A historical divisibility.
Posted in PEN Solutions Archive on March 19, 2008 | Leave a Comment »
06. PEN A3 ( IMO 1988 ) Let and be positive integers such that divides . Show that
is the square of an integer.
Here is the official solution file: PEN06S
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06. A historical divisibility
Posted in Problem of the Bi-Week on March 12, 2008 | Leave a Comment »
06. PEN A3 ( IMO 1988 ) Let and be positive integers such that divides . Show that
is the square of an integer.
