The sets A and B are defined as follows: A = {x € R5 : max (| − x1 + 2x2 + x3 − X4|, x1 + x² − x5) ≤ 2}; - B = {x € R5 : −2x1 + x2 + x3 = 4, −X1 + X2 − X4 + X5 = 1, xį ≥0, i=1,..., 5}. a) Is the set An B convex? b) Is the point (0, 1, 3, 0, 0) a basic feasible solution for the set B?

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Topological Sort

Topological sort is a sorting technique that sets up a hierarchy in a process. In this technique, when a directed network has nodes connected by arrows, the root node is placed before the successor node.