Mathematical and Physical Journal
for High Schools
Issued by the MATFUND Foundation
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# Problem B. 4724. (September 2015)

B. 4724. Solve the inequality $\displaystyle x+y-xy+\frac{1}{x} +\frac{1}{y} -\frac{1}{xy}\le 2$ and represent it in the coordinate plane.

(4 pont)

Deadline expired on October 12, 2015.

### Statistics:

 157 students sent a solution. 4 points: 97 students. 3 points: 19 students. 2 points: 21 students. 1 point: 17 students. 0 point: 3 students.

Problems in Mathematics of KöMaL, September 2015