Magyar Information Contest Journal Articles

Problem C. 925. (January 2008)

C. 925. Show that the expression

has a constant value for all x and y for which it is meaningful and x+y=1.

(5 pont)

Deadline expired on 15 February 2008.

Statistics:

 225 students sent a solution. 5 points: 206 students. 4 points: 1 student. 3 points: 1 student. 2 points: 2 students. 1 point: 3 students. 0 point: 5 students. Unfair, not evaluated: 7 solutions.

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