Final answer:
To find the absolute extrema of a function over a given region, we evaluate the function at the boundary points and critical points inside the region.
Step-by-step explanation:
The problem asks us to find the absolute extrema of the given function f(x, y) = 2xy/(x² + 1)² over the region R = {(x, y): 0 ≤ x ≤ 1, 0 ≤ y ≤ 1}. To find the absolute extrema, we need to evaluate the function at the boundary points and critical points inside the region. The given absolute maximum is (0, 1, 4) and the absolute minimum is (1, 1, 0).