Directional derivative of f ( x, y, z ) = x2 + y2 + z2 at the point (1, 1, 1) in the direction i - k is
| A. | 0 |
| B. | 1 |
| C. | √2 |
| D. | 2√2 |
Answer : A Explanation :
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Option: A Explanation : Explanation will come here. Explanation will come here. Explanation will come here. Explanation will come here. Explanation will come here. |
