6Â years, 7Â months ago
My Question is, why did they considered the shaded region as the whole First quadrant (with y axis as well) and not the intersection of those two lines: -x+y=3 and x+y=6
6Â years, 4Â months ago
The intersection of two lines occurs at x=1.5 and y=4.5, the question is asking about number of integral points