Question: Please provide neat solution for each part asap to get a upvote 1. (22 points) An electric potential & in 3D-space is given by p(r,
Please provide neat solution for each part asap to get a upvote

1. (22 points) An electric potential & in 3D-space is given by p(r, y, :) = 5r- - 3ry + xy2. a) Find the rate of change of y at the point P(2,3, -1), in the direction (1, -1, 1). b) What is the fastest rate of change from P, and in what direction
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