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 point: 13 students. Unfair, not evaluated: 6 solutionss.
Problems in Mathematics of KöMaL, October 2015