Let \(O\) denote the origin. If \(M(1,2), N(0,1)\) and \(A(x, y)\) are points such that \(x y>0\) and \(x+y…
- A cannot lie inside \(\triangle O M N\)
- A lies inside \(\triangle O M N\)
- A lies only in the first quadrant
- None of the above
Solution

The shaded region in the diagram represent the position of point \(A\).
Asked in: AP EAMCET 2020 (21 Sep Shift 1)