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Problem 5 (10 points) Calculate the work done by a force field F, given by F(x, y) = (x + y, x - y) when an object moves from

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F (1,Y)= Luty, n-y7 (oo) to (1,1) = y2 r(t) = { it, t2 } (t) = at y (t=st² dy = et ou na I, OLASI - - dt Luty, 41-47 and dr =

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