Problem C. 1312. (October 2015)

C. 1312. Suppose that \(\displaystyle xy+x+y=44\) and \(\displaystyle x^2y+xy^2=448\). Then evaluate \(\displaystyle x^2+y^2\).

M&IQ

(5 pont)

Deadline expired on November 10, 2015.

Statistics:

272 students sent a solution.
5 points:	179 students.
4 points:	33 students.
3 points:	20 students.
2 points:	4 students.
1 point:	17 students.
0 points:	13 students.
irregular:	6 scripts.

Problems in Mathematics of KöMaL, October 2015