The domain of f(x, y) is the xy-plane, and values of f are given in the table below. Find fe grad f.dr, where Cis yx 0 1 2 3 4 0 60 60 62 63 63 1 2 3 4 59 60 61 62 63 63 67 71 75 76 62 62 63 63 63 65 66 66 66 67

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A: x'= y..........(1)y'= -x.........(2)

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