Solution: In Exercises 37–40, find the directions in which ƒ

Chapter , Problem 40PE

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Directional Derivatives In Exercises , find the directions in which  increases and decreases most rapidly at  and find the derivative of  in each direction. Also, find the derivative of  at  in the direction of the vector .

,

Equation Transcription:

Text Transcription:

f

P_0

v

f(x,y,z)=x^2 +3xy -z^2 +2y +z +4, P_0 (0,0,0), v=i+j+k

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