In Exercises, find f x (x, y) and f y (x, y). Then find f x (2,
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In Exercises, find f_{x}(x, y) and f_{y}(x, y). Then find f_{x} (2, 1) and f_{y} (4, 3). Leave the answers in terms of e in Exercises.
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f(x, y)  3x et t2 ху
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