Math, asked by ashishkaurav30, 1 month ago

Find the directional derivative of φ = (x2 + y2 + z2 )–½ at the point (3, 1, 2) in the direction of the vector yzi + zxj + xyk.

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Answered by surajpj33

5

Answer:

-9/49✓14

Step-by-step explanation:

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