Question: 2. Which of the following is the directional deriva- tive of f (x, y, z) P (2, 0,0) and in the direction of the

2. Which of the following is the directional deriva- tive of f

2. Which of the following is the directional deriva- tive of f (x, y, z) P (2, 0,0) and in the direction of the vector A = i +j k ? x2 sin (y 2) at the point (a) (b) V3 4 (c) V3 8 (d) V3 16 (e) V3

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