4 3 2 1 0 -1 -2 -3 -4 4 3 2 1 0 -1 -2 -3 -4 rect 4 1 -3 -3 F (x, y) = (- 1 -2 F (x, y) = (- -1 -2 -бу Vx2+y2' -1 0 бх √√x² + y² 0 " 6x x2+y2 1 6x унут 1 2 2 3 3 4 3 2 1 0 -1 -2 -3 4 3 2 1 0 -1 -2 -3 -4 -3 -3 -2 -2 F (x, y) = (- -1 F (x, y) = ( -1 1 1 0 0 6x 1 1 1 1 -бу 1 1 1 бу бу 2 3 3 4

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A:

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A:

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A: Please see the below picture for detailed solution.

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