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6 years, 10 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
6 years, 7 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
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