MathDB
Putnam 1976 A1

Source:

April 18, 2022
college contests

Problem Statement

PP is an interior point of the angle whose sides are the rays OAOA and OB.OB. Locate XX on OAOA and YY on OBOB so that the line segment XY\overline{XY} contains PP and so that the product (PX)(PY)(PX)(PY) is a minimum.