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13 Nov 2019
![](https://prealliance-textbook-qa.oneclass.com/qa_images/homework_help/question/qa_images/73/7316844.png)
B) in what direction does f change most rapidly at P and what are the rates of change in these directions.
![](https://prealliance-textbook-qa.oneclass.com/qa_images/homework_help/question/qa_images/73/7316845.png)
6. Let f(z, y, z) = xy +xv1 +2. (a) Find the derivative off at P(1, 2, 3) in the direction of u = (2, 1,-2).
B) in what direction does f change most rapidly at P and what are the rates of change in these directions.
6. Let f(z, y, z) = xy +xv1 +2. (a) Find the derivative off at P(1, 2, 3) in the direction of u = (2, 1,-2).
Bunny GreenfelderLv2
19 Jun 2019