Problem C. 871. (November 2006)
C. 871. Prove that if the expression
is well defined, then its value is independent of the values of the variables x, y and z.
(5 pont)
Deadline expired on December 15, 2006.
Sorry, the solution is available only in Hungarian. Google translation
Megoldás. Közös nevezőre hozva, majd a zárójeleket felbontva:
Statistics:
428 students sent a solution. 5 points: 401 students. 4 points: 2 students. 3 points: 1 student. 1 point: 6 students. 0 point: 14 students. Unfair, not evaluated: 4 solutionss.
Problems in Mathematics of KöMaL, November 2006