Suppose that over a certain region of space the electrical potential V is given by the following equation. x, 1:, z} = 4x2 2X]; + xyz {a} Find the rate of change of the potential at HS, 6, 4} in the direction of the vectorv = i + j k. 44v\"? )6 (Is) In which direction does if change most rapidly.r at P? 0.113Ti 0.2T29j + 0.95531: X [c] What is the maximum rate of change at P? Ex