Mathematical and Physical Journal
for High Schools
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Problem C. 1353. (April 2016)

C. 1353. Find the integers solutions of the equation \(\displaystyle x^2-xy+y^2=7\).

Proposed by B. Kovács, Szatmárnémeti

(5 pont)

Deadline expired on May 10, 2016.


141 students sent a solution.
5 points:75 students.
4 points:20 students.
3 points:14 students.
2 points:5 students.
1 point:14 students.
0 point:13 students.

Problems in Mathematics of KöMaL, April 2016